Koguma Arakawa

Relatives: Shiguma Arakawa (Master)

Affiliation: Arakawa School

Occupation: Rakugoka (Futatsume)

He currently is Shiguma Arakawa's pupil.

He is usually shy and usually thinks a lot about things making him indecisive. According to Guriko, he is usually pessimistic most of the time, due to this nature he usually learns everything related to the story he wants to interpret, making his attitude change during his presentations to a more self-confident personality.