Kiryuin Hanasei is the idol of her school. But when she suddenly becomes a giantess, she is forced to return to her old ways in order to protect her city.
Oni-Deka! has finished publishing and it has 34 Chapters. It is also Known as: おにでか！, Oni-Deka!
Genres: Comedy , Science Fiction , School Life , Romance , Action
Try our anime quiz: Anime Characters Guessing Quiz/Game
Top Manga Like Oni-Deka! [2026 List]
1. Hitoribocchi no Chikyuu Shinryaku
Kouichi has looked forward to becoming a high schooler for one reason: to help continue his grandfather's coffee shop. But on the first day of school, a strange girl wearing an eerie mask tells him that she has come to take his life. She tells him that the heart beating within his chest is her own, and that she is an alien invader who has come to take over the world.
has finished publishing and it has 78 Chapters. It is also Known as: ひとりぼっちの地球侵略, Invading the World All Alone, Lonely Alien
