![](https://www.mangago.me/images/loading1.gif)
Dear Sa-chan, if only I’d had sex with you that time, perhaps I wouldn’t have wandered d...
An emotionless man with a pure girlfriend defiles her trust by starting an affair with his neighbor after moving to Tokyo for college. Slowly, but surely, he begins to lose everything around him and down spirals into thought of how it could've been avoided.