Yusuke Saito is a normal high school kid...well, normal enough, except that he can't remember anything from his life except the last six months. But when he starts to get confronted by people who insist they're from his past, who allege that he did horrible things to them...suddenly Yusuke's missing memories become crucial to remember. Otherwise, the skeletons in his closet may just make him a skeleton, too...
In a mountainside village, Aoshi Fujimori lives with his sisters as they cower at the violence of their stepfather. To protect their lives and futures, the three of them begin living with a man they know nothing about. Their strange arrangement gives them solace for now...but in time, small cracks begin to form. Ten years after he disappeared, Yusuke Saito is still alive.