My hero Academia: Animalization Creation!

Izuku Midoriya ends up following a Kyoka Jiro as they go to get their gear repaired by Mei Hatsume, who in return asks to test one of her new inventions on them. As the days pass, both of their behaviour changes, as well as their bodies. Join Deku and Jiro on this strange and wonderful animal adventure, with twists and turns at every corner. And of course, the chaos Class 1-A!