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The Girl Called Mei Hatsume ( (はつ) () (めい) という (おんな) Hatsume Mei to iu On'na?) is the one hundred and first chapter of Kohei Horikoshi's My Hero Academia.


Mei Hatsume apologizes for the explosion she caused; she asks the Class 1-A trio for their names since she forgot them. Izuku Midoriya, Ochaco Uraraka, and Tenya Ida remind Mei of their names. Izuku asks for a costume upgrade, which catches Mei's attention. Power Loader reminds Mei that he is fine with her working in the Development Studio but must not cause chaos, otherwise he will ban her. Power Loader turns his attention to Izuku, Ochaco, and Tenya and invites them into the Development Studio. Izuku, Ochaco, and Tenya are amazed at all the machinery inside the studio. Power Loader explains to the trio about Hero Costume upgrades, after looking at their respective costume instructions, he will be able to tinker with their costumes. If it is small improvements and fixes, all he needs to do is inform the design office about the changes, but if it is big improvements, he must prepare a formal written application to the design office to request approval. After the newly upgraded costume gets inspected and approved, it goes back to them. Power Loader tells the trio that the design office he is partnered with is one of the best, so any costume upgrades can be done within a mere three days.

Izuku asks Power Loader if there is something that can reduce the stress on his arm ligaments; Power Loader replies that minor tinkering to his Hero Costume will make it possible. Suddenly, Mei inspects Izuku's body and makes him wear a powered exoskeleton, much to Izuku's discomfort. Izuku once again asks for simple arm support while Tenya asks for cooling capabilities for his legs. Mei gives Tenya Super Cooler Electric Boosters. However, the boosters are for the arms and not the legs, much to Tenya's frustration. Mei already knows that Tenya's Quirk are for his legs, but she thinks that if he wants to cool his legs, then he must run with his arms, which confuses Tenya. Mei's proverb makes Izuku realize what All Might was saying about him imitating him.

Power Loader scolds Mei for messing around. However, Power Loader advises Izuku, Ochaco, and Tenya to invest in their relationship with her because once they become Pro Heroes, she will be taking care of their Hero Costume needs. Power Loader points to a mountain of trash in the Development Studio, he tells them that the trash is actually support items Mei has created since she started at U.A. High School, even creating support items during the school holidays. Despite her self-centered attitude, Power Loader compliments Mei for her talent at inventing as well as her courage to come up with new ideas and attempt to make them real even if they fail.

Izuku suddenly realizes that his way of thinking has been wrong: people who invent are not bound by conventional thinking and in order to improve himself, he must think out of the box like Mei. While Mei helps out Ochaco, Izuku asks Tenya to help him with something.

Meanwhile, the rest of Class 1-A are progressing on improving their Quirks. Four days later at Gym Gamma in the midst of training, All Might shows up and Shota Aizawa tells him that Class 1-A are progressing nicely. Minoru Mineta comments on the change of Izuku's costume, causing Izuku to reply that he received arm support to lessen the stress on his arms. Meanwhile, Fumikage Tokoyami has developed a special move called Tenebrous Abyss Body that allows him to equip Dark Shadow onto himself. Midnight likes Fumikage's special move but advises him to change the name so that it is easier to say. Katsuki Bakugo tests out his new special move called AP Shot on a rock, a move that creates an Explosion beam. Katsuki's AP Shot successfully executes and penetrates a rock.

However, the rock Katsuki used his AP Shot on cracks and begins falling towards All Might. Suddenly, Izuku appears and destroys the rock with a kick. Izuku then destroys the remaining rock with another kick. All Might is impressed that Izuku figured out his advice on his own. Izuku has realized that just because he is the new successor of One For All, it does not mean that he must inherit his predecessor's fighting style, in this case All Might's punching style, and is free to choose his own fighting style. Taking Mei's words into consideration, and Tenya's help, Izuku has decided to forego All Might's punch fighting style and redevelop his fighting style. The technique Izuku used to destroy the rocks is called One For All Full Cowl: Shoot Style, a technique that is an application of Izuku's new kick based fighting style. It has Izuku using his legs to perform attacks, thus putting out more natural power while relieving his arms.

Chapter Notes

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Chapters and Volumes
Volume 1 1234567
Volume 2 891011121314151617
Volume 3 181920212223242526
Volume 4 272829303132333435
Volume 5 363738394041424344
Volume 6 454647484950515253
Volume 7 545556575859606162
Volume 8 636465666768697071
Volume 9 727374757677787980
Volume 10 818283848586878889Tsuyu's Ribbity Day
Volume 11 90919293949596979899
Volume 12 100101102103104105106107108
Volume 13 109110111112113114115116117118
Volume 14 119120121122123124125126127128
Volume 15 129130131132133134135136137
Volume 16 138139140141142143144145146147
Volume 17 148149150151152153154155156157
Volume 18 158159160161162163164165166167
Volume 19 168169170171172173174175176177
Volume 20 178179180181182183184185186187188
Volume 21 189190191192193194195196197198199200
Volume 22 201202203204205206207208209210211212
Volume 23 213214215216217218219220221222223224
Volume 24 225226227228229230231232233234235
Volume 25 236237238239240241242243244245246
Volume 26 247248249250251252253254255256257258
Volume 27 259260261262263264265266267
Volume 28 268269270271272273274275276
Volume 29 277278279280281282283284285
Volume 30 286287288289290291292293294295
Volume 31 296297298299300301302303304305306
Chapters not yet in tankōbon format 307308309310311312313314315316317318319320321