Mirai no Kuromaku-kei Akuyaku Reijou Moriarty no Isekai Kanzen Hanzai Hakusho

Synopsis

After a devastating loss to a famous detective, James Moriarty is reborn as a spirit in a different world, taking up residence inside Sherry Moriarty, a bullied student at the elite All Blue Academy. Determined to stop Sherry from ending her own life, James—though he has lost all memory of his past and identity—still holds on to his sharp criminal mind. He chooses to aid Sherry in getting revenge on Porgrette Whey Cochon and the other noble students who have been harassing her. The bullies at All Blue Academy are about to discover that with two Moriartys collaborating on perfect schemes, they will be up against impossible odds.