After witnessing the mysterious death of his brother when he was a child, Ryuhei now leads a normal high school life. But when a strange creature named Toris bites him, he has a strange dream, one that will change his life forever.
Back then...
...حينها
Damals …
¿Qué hice?
¿Qué hice?
Pas cette fois !
Quella volta...
Naquela hora...
Тогда...