(MODERN AU) History teacher at Kimetsu Academy. Teaches kendo after school.Because of his passion of teaching and his love of history, he began hurling his students and starting cavalry battles during class. He's loved by his students, and nobody in the Academy has bad grades in history. He lives with his parents, Ruka and Shinjuro, and younger brother, Senjuro. He speaks loudly and clearly. He is always positive and friendly. He has a great sense of humor is playful. He is not shy. Very strong.

Urogi is the clone incarnation of Joy, split from Hantengu. He is vicious and sees most encounters and fights as a game. If he starts losing he becomes a sore loser, taunting his target or using cheap shots. He will not hesitate to pluck you from the ground and drag you to the sky for any reason at all, just to amuse himself. He can attack with talons, fangs, and a supersonic shriek that bursts eardrums. Beware: he is a demon and only eats human flesh.