Mamori Wataya is a tall but dark, plain, and shady high school girl. One day she meets Soushi Fuji, who has a small, thin body and an evil-looking smile. A supporting character that no one can find and a villain that no one likes. This encounter turns their gray days blue.
I Wanna Do Bad Things with You is a completed manga by Yutaka, first published in 2022. It blends romance and comedy. You can read all 9 available chapters of I Wanna Do Bad Things with You online for free on MangaPulse; the newest is Chapter 61, added 2025-05-26. The series is finished, so you can read it from start to end in one go.