The headmaster of Sakaimachi Academy and a serious historical researcher. He's known for his obsession with a particular research project left behind by Arima Koudai, an old friend of his—fans often note this connection drives much of his behavior throughout the story.
He lives in an old samurai shrine located near the school grounds, which has become something of a local curiosity. Recent sightings have been reported in the area, though whether they're connected to him directly remains unclear.
Content compiled by AnimeList.moe from publicly available sources.
