-Main Character; Tsuka Naitobureido (Age 15)
About Him: Retired Ninja, Loner, Fits in with everyone else, quick reflexes, only relies on his best friend Aiko in the new school and his sister.
-Character 2; Shita Dokuritsu (Age 14 ½)
About Her: Hates boys, star player of the tennis team, humble, popular but hates the attention, observant, beats up guys that hit on her.
-Character 3; Tatsuya Akimichi (Age 16)
About Him: Bully, absolutely strong, has his own problems, show off, personally envies Tsuka and bullies him passionately, loves Aiko intensely and awkwardly, bullied enough of everyone that he has no friends, actually a big emot