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Itami Koga (古賀 いたみ, Koga Itami) is a junior of Class 13 and a former member of the Flask Plan's Thirteen Party. Her project name is Best Pain (骨折り指切り, Besuto Pein). She is the only member of the Flask Plan who was originally a Normal.
Koga is a bright and bubbly girl, often seen with a smile, and laughs even when fighting. She is Youka Naze's best friend forever, and considers Naze her BFF in turn. She loves Naze deeply as a friend and is very protective of her; she is often infuriated by Maguro Kurokami's harassment. Koga's loyalty to Naze is such that obeys Naze's instructions even when she does not want to, or thinks Naze is making the wrong decision. However, Koga gets jealous easily when she hears Naze has been spending time with other people. Koga can be serious however, and questions Medaka Kurokami's resolve when it seems to be faltering. Her prompting encourages Medaka to keep to resolution of helping both friends and foes. She can be quite scatterbrained as well though, such as randomly trying to contribute to other people's conversations, or thinking of too many things at once.
Koga has brown eyes and short red hair (brown in the anime), done in two buns at the back. She wears a red jacket with pink fur lining that leaves her midriff and chest uncovered, exposing her white bra. She also wears red hot pants with a white belt and red shoes. While recovering from Oudo Miyakonojou's attack, Koga wears a hospital gown. During the battle to decide the academy's new Student Council, Koga wears the Student Council's Battle Attire Red Model. When dressed casually, Koga wears a dark colored sweater over a collared shirt, with both sets of sleeves rolled up. With all her outfits, Koga wears a light yellow cap. Ten years later, Koga wears a skintight suit and a crash helmet.
While in middle school, Koga wore a maroon jacket over a white collared shirt, a gray skirt, thigh high white socks, and an aquamarine ribbon. After transferring schools, she changed to a short-sleeved, white collared shirt, along with a beige vest. She also wore a black skirt and thigh high black socks.
As a younger girl, Koga was completely Normal. But because of this, she started to believe that there was nothing but normal in the world. When she turned fifteen, she realized that it wasn't that the world was filled with only normal things; it was she who was too normal. In her final year of middle school, Koga transferred schools because of her father's circumstances. There, she met Naze, a meeting that would change her way of thinking drastically. When she first saw Naze, Koga didn't know anything about her. Yet, despite the protests of her other classmates, she approached Naze and asked that they do something crazy together.
Thirteen Party Arc
After Medaka leaves Hakama Shiranui's office, Koga and five other members of the Thirteen Party make their presence known. Questioned by Hakama of her opinion of Medaka, Koga states her belief that Medaka's defeat of Myouri Unzen was pure luck, but that she likes people like Medaka all the same. Koga questions Hakama on what he will do now that Medaka has refused him. He assures her Medaka will join them, and Koga agrees that if Medaka had accepted immediately, she would be a Normal. As Hakama details the history of the Flask Plan, culminating with his belief that the project has reached the final step with the present incarnation of the Thirteen Party, Koga listens on without comment.
As Kouki Akune is distracted by Naze, Koga drops from the ceiling to wrap a wire around his neck. Despite being armed with the element of surprise, Akune manages to guard against Koga's attack. Koga performs a one-armed handstand on Naze's head, then introduces herself as Naze's BFF. She remains in this position as Naze summons a pack of animals to attack Akune. Koga remains perched atop Naze's head. While Akune is distracted by the animals, she gets above him, and attacks with a kick. On the ground, she continues kicking, while balancing on her hands. She is surprised when Akune drops to his back and manages to catch her in a chokehold. Despite this, Koga is still able grab his neck, and rise to her feet with Akune still holding her. She then throws him off and returns to the ceiling, declaring she is fighting the Student Council so that the Abnormals can be free. Hearing that Akune a Heisei Rider fan, Koga declares that their battle will be between the old and new riders. She then attack with a kick, the force of which breaks the floor, sending everyone tumbling down. Koga bursts through the floor of Naze's lab, revealing that her kick took her all the way down to the sixth floor. She attacks Akune once more, only to be intercepted, and have her leg broken. Koga holds her leg as Naze and Akune talk. She then rises to her feet, recovered, and strikes Akune from behind, knocking him down. She then asks Naze if they should keep going; Naze tells her to finish Akune off. She is furious when Maguro appears behind Naze, lifting up her skirt, and attacks him. She continues to growl at Maguro as he introduces himself.
Listening to Maguro's intentions, a distressed Koga asks Naze what they should do against such a disgusting person. Koga wastes no time in attacking Akune again, now with Naze's nudity at stake. She locks Akune in a sleeper hold with the intention of knocking him out, but is distracted as Maguro removes his trousers. Using the opening, Akune dislocates her shoulder. Koga whimpers on the ground, but still rises to her feet, forcing her shoulder back into place. She is horrified when Naze begins stripping from the bottom as well. On Naze's order, Koga moves to finish Akune off; however, he manages to successfully trap her in a four point pin. Koga is at first unimpressed, wondering how such a move is supposed to injure her. Once Akune reveals that the pin is meant merely to tire her out however, she begins to panic, and struggles desperately to get out. She is further horrified to learn that the pin has no end, and can only wail as she realizes she has been defeated. She tells Naze not worry about her, and leave her bandages covering her face. Koga is surprised when Naze tells her that she considers Koga an important friend. Upon seeing Naze's face, Koga is surprised by how beautiful she is. After Akune gets off of her, Koga apologizes to Naze, who tells her not to worry about it. The pair begins to leave, but are stopped when Maguro calls out to Naze, calling her Kujira Kurokami. Koga is surprised to learn Naze's origins, but thinks that Maguro must be telling the truth. She is surprised when Naze runs to Maguro. Koga does not look happy listening to Naze's talk of experimenting on her family. She is surprised when Medaka kicks through the wall of Naze's lab.
When Naze asks her if she agrees with the old saying, "no pain, no gain", Koga timidly replies in the affirmative. After Medaka collapses, Naze orders Koga to break the arms and legs of her siblings and carry them to another lab. Koga is visibly uncomfortable with this order. Akune calls out to Koga, asking her to put a stop to Naze's rampage as her friend. Though admitting she doesn't like doing it, Koga still attacks, declaring that she will stick with her friend Naze. Her attack is stopped however by Medaka, who uses an open palm strike to knock Koga back. Koga is doubled over as Medaka collapses for a second time. Koga readies herself to fight the Medaka, declaring that on the ground (not on the ceiling or in a handstand), she cannot be beaten. Though the fight is not shown, Koga manages to defeat Medaka, Akune, and Maguro. She stops at Naze's order, recognizing that Medaka is too weak to be fought seriously. Koga jumps down to the sixth floor with Naze and Medaka.
On the thirteenth floor, Koga observes a restrained Medaka with Naze. Recharging herself, she complains to Naze about their circumstances, as they don't have enough time to brainwash Medaka, nor enough people to delay the Student Council. Koga is shocked by the arrival of the Plus Six. Koga watches on as Medaka regains consciousness. She follows Medaka up to the twelfth floor. Koga stands by Naze. Koga listens as Medaka II states her intention to join the Flask Plan. Koga makes no comment as Medaka II hands herself over to the care of Thirteen Party, though whispers to Naze that it is rare for thing to go exactly as Naze predicted. Koga stands by as Medaka II brings the Student Council to their knees. As Maguro calls out to Medaka II, Koga tries to locate him. Koga watches on as Zenkichi Hitoyoshi and Medaka II fight. When Oudo asks her if she wants to join in, she tells him that no one could get between them now. Koga is shocked when Medaka II punches Zenkichi in the throat. She says nothing when Maguro agrees to rejoin the Flask Plan. Koga looks on in amazement as Medaka II tries to brainwash herself.
Koga listens on as Medaka declares her intent to rid the school of the Flask Plan. She follows Oudo down to the thirteenth floor. Koga listens as Medaka tells the remaining members of the Thirteen Party that it is impossible to create a perfect human. Koga becomes furious, taking Medaka's words as a direct insult towards her, who became an android through the Flask Plan. When Oudo tells her that she can't defeat Medaka, a defiant Koga reminds him that she has once beaten the younger girl already. Koga is caught off guard when Oudo pierces her heart, absorbing her enhanced abilities with his Unreasonable Taxation. Koga collapses, unmoving. Koga remains unresponsive as Naze and Maguro begin treating her injuries. A semiconscious Koga is surprised to see Oudo bow to Medaka. Koga is supported by Naze and Akune after the fighting is over. Naze continues to support her when they all gather in the elevator. She is horrified to find the defeated Loser Team and Plus Six.
Kumagawa Incident Arc
Koga stands by as Misogi Kumagawa addresses the group. After the Flask Plan is stopped, Naze and Maguro begin taking care of Koga in the old school building. At the Ghost Babel, Maguro commends Koga's healing rate, noting that her heart is almost fully regenerated, and that she should be up and walking by next week. Koga asks how she can still possess her recovery rate if she was hit by Oudo's Unreasonable Taxation, but Maguro assures her that she will be fully recovered after receiving another electrical charge. Seeing Naze forced into a maid outfit by Maguro, Koga promises herself that the first thing she will do upon recovering is kill Maguro. Koga is surprised by the arrival of Mukae Emukae. In no condition to fight, Koga can only glare at her. She is not impressed by Maguro's introduction, though she is surprised when Emukae follows his joke. Koga does not feel comfortable introducing herself as Best Pain after Maguro and Emukae's foolery. Koga thinks to herself that there was no need for Maguro to take off his pants. Koga is surprised to see Emukae rot the floor in order to escape. Koga later joins with the Student Council, Naze, and Hitomi Hitoyoshi to discuss how they should handle the Minuses. Koga suggests they ask Nekomi Nabeshima for help, though everyone silently agrees that she is a coward. Like everyone else, she is surprised to hear of the former Student Council president preceding Medaka, Kuudou Hinokage. When Medaka and Naze return, Koga has already forgotten about Hinokage. She is surprised by his sudden appearance. She barely passes Hinokage's examination, but is labeled unusable. She is disturbed by Hinokage's description of Class -13.
After Medaka declares a Student Council battle with Kumagawa, the Student Council meet with their allies to decide what to do. Koga asks about the nature of the fights. On July twenty-fifth, Koga and the other ladies change in the Student Council office. They discuss whether Zenkichi will be alright; when Zenkichi shows up, Koga thinks the Hitoyoshi family have a strange fashion sense. Arriving at the meeting place, they are surprised to find Kumagawa is the only one present. Koga is surprised to see how quickly Medaka loses her temper with Kumagawa. After Tokemichi Choujabaru arrives to referee, Koga notes that he is Unzen's only male friend. Choujabaru leads the Student Council and Kumagawa to the Viper's Den, a pit on the school grounds. Koga is shocked to see the pit is filled with snakes. Choujabaru explains the nature of the battlefield, and the rules of the match. Koga tells Zenkichi there is no shame in backing out; Zenkichi thanks her for the advice, but steps out onto the netting covering the pit. As the battle starts, Koga is surprised to see Zenkichi take the lead. She and the others see though Naze's ruse. She is annoyed to hear Naze had spent the previous week with Zenkichi. Koga is amazed to see that Zenkichi is fighting with his eyes closed. Koga watches on as the match continues. After Kumagawa reverses the situation, Koga wonders if he purposefully waited until the net had fallen to the point no one else could jump into the pit. Koga watches on as Zenkichi struggles against Kumagawa. As Medaka rages, Koga tries to get her to calm down. She is surprised when Kumagawa regains consciousness. She is relieved to see Zenkichi awaken, but shocked to see Kumagawa's smile drop. Koga is horrified to learn that the other Minuses are attacking the rest of the Student Council during their training. The Student Council arrive in the parking lot head to the parking lot to help their allies. They find them with worse injuries than Zenkichi; they treat the others at Naze's lab before sending them to the hospital. Afterward, Medaka, Zenkichi, Hitomi, Naze, and Koga meet to decide what they will do next. When Naze leaves, Koga follows after her. Walking through the hallways, Koga and Naze are intercepted by Kumagawa. Naze tells Koga to leave the two of them alone. Koga is later attacked by the members of Class -13, but is saved by Medaka, Zenkichi, and Hitomi.
On the first of August, the opposing Student Councils meet for the Secretary's Battle. Koga is surprised to discover how much effort is being put into the election battle, comparing it to the Flask Plan. The group moves to the stage of the battle, a freezer in the school's canteen. Koga is surprised by Kumagawa's offer of Class -13's surrender if Shibuki Shibushi loses, and is impressed when Shibushi enters the freezer without hesitation. She is concerned to see Shibushi make the first move. Koga is surprised by Kumagawa's crocodile tears, and disturbed to learn the true nature of Scar Dead. She is horrified when Naze falls to her knees. Koga watches on as Naze breaks down. She is relieved to see it was just an act. Koga is surprised when Medaka uses Kumagawa's head to break open the freezer's window. Koga is amazed by Naze's Minus. She states that Naze's heart is always full of pain. She is shocked as Shibushi's fully powered Scar Dead damages even the spectators. Koga thinks to herself that Naze is obviously enjoying her victory. Koga runs to congratulate Naze as she steps out of the freezer. As Kumagawa keeps his promise and the Minuses make to leave, Koga asks Medaka if she is really fine with letting Kumagawa go. She reminds Medaka that she has always sought to help both her allies and her enemies, and wonders if she can make even Kumagawa happy. Medaka thanks Koga for her encouragement.
On August eighth, the opposing Student Councils meet at the academy's botanical garden for the Treasurer's Battle. Koga is shocked to hear the sub-players will be wearing explosive bracelets. Koga looks to Medaka after Kumagawa finishes explaining their mutual history at Hakobune Middle School. Koga watches as the monitors display Emukae covering the explosion with her body. She is horrified to hear that, should the election end in a draw, the opposing side will be declared victor. She is shocked by Zenkichi's declaration that he wants to eat Emuake's miso soup every day. Koga wonders about Zenkichi and Medaka's relationship, having thought the two were going out. At the Ghost Babel, the Student Council brings Maguro up to speed with the election battles. On August fifteenth, the Student Council gather for the Vice-President's Battle. The group moves to an under construction building for the Vice-President's Battle, "Dropping Mad Dog". Koga is awed by Hinokage's speed. Watching, all members of the Student Council think Hinokage's victory is assured. After the Vice-President's Battle ends, Koga is surprised by Kumagawa's arrival. On August twenty-second, the Student Council and Class -13 gather for the final battle. Koga is shocked when Hansode Shiranui declares that Kumagawa will represent Class -13, and tries to argue against it. She is stunned by the conditions Medaka sets for the match. Koga is amazed by the intensity of Medaka's and Kumagawa's fighting. She and the others climb onto the rooftop Medaka and Kumagawa are fighting on. She is shocked as Kumagawa reveals his original Minus, Book Maker. Koga watches on as the battle continues, eventually devolving into a punching fest. She is surprised by the appearance of Akune and Mogana Kikaijima. With Medaka's victory declared, Koga and the others run to congratulate her.
Kurokami Medaka's Successor Arc
Unknown Shiranui Arc
At the Shiranui Village, the Thirteen Party's Front Six are introduced by Oudo. Koga kicks Iihiko Shishime while laughing. Koga stands back as Oudo converses with Medaka. When Iihiko is knocked off the mountain by an armored truck, Koga joins the others in making their escape. At the end of the academic year, Koga is among the students present at the Hakoniwa Academy graduation ceremony.
Bouquet Toss To The Future Arc
The entirety of the Thirteen Party await Medaka in Class 13's homeroom, to challenge her as part of the 100 Flowers Run. Her message to Medaka is that they will one day settle who is a better fighter in midair.
Ten years later, Koga is a stunt woman with the Flask Plan.
Cybernetic Superhuman Physiology: Koga is the strongest female in Class 13. This is because Naze remodeled her, transforming her body into that of a cyborg, and making her near invincible. Koga's modified body allows her to bend in unnatural ways, heal at unnatural speeds, and grants her inhuman strength and speed. Her project name of Best Pain is a reference to the nature of her modifications: her pain receptors were not only kept, but enhanced. This is to keep track of her energy so that she doesn't waste it, as her robotic muscles drain her body's energy quickly; she can only move at maximum speed for about three minutes. For this reason, her abilities to inferior to Shigusa Takachiho, whose movements are natural. After exhausting herself, Koga can use energy drinks to recover her strength.
- Rider Kick (ライダー キーック, Raidā Kīkku): While standing on the ceiling, Koga jumps down at her opponent with her leg outstretched. Her kick is strong enough to go through multiple floors.
- Rider Jump (ライダー ジャーンプ, Raidā Jānpu): Koga jumps and performs an uppercut. Her jump is strong enough to propel her at least two floors.
- Rider Chop (ライダー チョーップ, Raidā Chōppu): A powerful downwards chop.
Wall Climb: Koga can walk on walls by grabbing the surface with her feet and holding her body so that she appears upright with her abs. Koga is so proficient with this technique that she can even walk on ceilings. Because of this, Koga can attack from both above and below, as well as fight while standing on her hands. Akune comments that gravity seems not to affect her. However, when fighting seriously, Koga does keep both her feet on the ground.
Differences Between Anime and Manga
In the anime, Koga is seen standing with five other members of the Thirteen Party atop the clock tower while Medaka is hospitalized.
- When translated from kanji, Best Pain means Labored Pinky Swear.
- Koga was voted the fifteenth most popular character in the series in the second popularity poll with 168 votes.
- Koga was voted the twelfth most popular character in the series in the first popularity poll with 165 votes.
|Zenkichi's Student Council||President: Zenkichi Hitoyoshi • Vice-President: Youka Naze • Treasurer: Mukae Emukae • Secretary: Shori Wanizuka • General Affairs Manager: Kudaki Torai|
|Medaka's Student Council||President: Medaka Kurokami • Vice-President: Misogi Kumagawa • Treasurer: Mogana Kikaijima • Secretary: Kouki Akune • General Affairs Manager: Zenkichi Hitoyoshi|
|Stand-In Members||Vice-President: Kuudou Hinokage • Treasurer: Hitomi Hitoyoshi • Secretary: Youka Naze • Itami Koga|
|Candidate Student Council||Intern: Suishou Kibougaoka • Intern: Ima Takarabe • Intern: Kiki Kikitsu • Intern: Shori Wanizuka • Intern: Tsugiha Yojirou|
|Hinokage's Student Council||President: Kuudou Hinokage|
|Kumagawa's Student Council||President: Hansode Shiranui • Vice-President: Gagamaru Chougasaki • Treasurer: Mukae Emukae • Secretary: Shibuki Shibushi • General Affairs Manager: Misogi Kumagawa|