Otakura (小田倉) is a student at Kaimei High School and part of Switch's information network. He is an avid otaku who often accepts payment in the form of rare or unusual anime-related merchandise. During the Kaimei Rock Festival, he originally invites Switch to form a band with him.

Manga Debut: Chapter 3 (The Ghost of the Incinerator)
Anime Debut: Episode 5 (The Ghost of the Incinerator)

(source: SKET Dance Wikia)