Takashi Nasujima

A teacher at Raira Academy. Rumors circulate that he and Haruna Niekawa were dating.

Takashi Nasujima would talk to Anri Sonohara, but as soon as Masaomi Kida shows up, Takashi ends up leaving.

And also the teacher of Sonohara Anri that always warns her about the wondering "Slasher" that kills people in Ikkebukuro City every night. He was perfectly vanished in the Raira Academy after he saw the mysterious power of Anri Sonohara.