Akadama-sensei

Japanese name:	赤玉先生
Nickname:	Nyoigatake Yakushibo

A Karasu-Tengu. Lost most of his abilities, such as flight, after a certain incident. He now lives as an old man. He seems to be infatuated with Benten, and taught her how to fly, although the feelings aren't mutual.


SpoilerIt was revealed in episode 6 that he abducted Benten when she was a teenager.

MAL