Caligula -カリギュラ- 2018

High school student Ritsu Shikishima begins to unravel when he hears a strange voice obscured by static, pleading for help. This voice belongs to &mu a beloved pop idol, whose singing begins to have an adverse effect on the world. Realizing that he is trapped in a virtual world called Mobius, Ritsu must now gather everyone else and use their newfound powers and weapon...