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.
I have to solve the mystery he left behind.
.عليّ حلّ اللّغز الّذي تركه أخي خلفه
Das Rätsel meines Bruders
muss gelöst werden.
Resolveré el misterio de mi hermano.
Resolveré el misterio de mi hermano.
Je dois résoudre l’énigme
qu’il a laissée !
Devo risolvere 
il mistero che mio fratello ha lasciato.
Eu preciso resolver o
mistério que ele deixou.
Нужно раскрыть тайну, 
что он мне оставил.