A high school girl, Izumi Gojo, who has been found guilty of murder, falls into the sea and disappears when running away from the police. However, a mysterious group rescues her and had her undertake training to transform her into an assassin. Years later, Izumi seeks to escape the group.
As soon as he bought a small house on a loan, his wife died in an accident. His work wasn't going well either. But this unsuccessful father raised his two daughters on his own. That's what he's most proud of. The older sister is an office worker who is having an affair with her boss. The younger sister is worried because she can't finish sex with her boyfriend. An incident occurs to each of these sisters, and it leads to an unexpected development..
