One of Ryuhei's classmates is suffering from an abusive father and stifling home life. She turns to a mysterious drug to escape from her problems, but the drug has a connection to the strange world that Ryuhei is investigating.
Tell me something. What's that mark?
أخبراني بشيء. ما تلك العلامة؟
Sagt es mir. Was bedeutet dieses Zeichen?
Dimmi una cosa. Cos'è quel marchio?
Me diz uma coisa. O que é aquela marca?
Скажите, что это за знак?