Takemichi Hanagaki leads an awful working adult life: he lives in a crappy apartment with thin walls, he's a virgin, and his six-years-younger boss treats him like an idiot. And then he learns ...

Hinata is murdered again by the Tokyo Manjikai Gang in front of Takemichi. In order to save Hinata, Takemichi travels 10 years back in time again. Takemichi has to change a key case that can save ...