水原拓海

Takumi was a normal student. One day he confesses to the girl he liked, Ayaka, but since she knew that her friend Yurine was in love with him, she rejected him.
Infuriated, Takumi raped Yurine as revenge and then he also raped Ayaka.
After that, he noticed that he enjoyed abusing girls, so he started to rape girls around the city.

In Play! Play! Play!:
He teaches Seiji about raping and sometimes helps him.