Psyren

Sakurako Amamiya vanished without a trace, leaving behind a desperate plea to her friend Ageha Yoshina: "Save me!" As Ageha sets out to locate her, he suspects the Psyren Secret Society's involvement in the unexplained disappearances. Unbeknownst to him, he has become a pawn in the organization's perilous scheme. It should be noted that the chapter count encompasses an extra six parts.