Pashiri Na Boku To Koi Suru Banchou-San

Story:

Unoki-kun, a boy who's been bullied since elementary school. As soon as the guy moved into high school, he began to regularly follow orders from the head bully named Toramaru-san. As it turned out, this way the girl showed her love for the guy, and he in turn thinks it's another kind of bullying. The end of all this confusion is gonna be told by this manga.