Tetsu
Tetsu (テツ) is a Kaimei High School student and a one-time client of the Sket Dan. He is Misaki's childhood friend. Manga Debut: Chapter 8 (Misaki and Kōtarō) Anime Debut: Episode 7 (Summer Sakura) (source: http://sketdance.wikia.com/wiki/Tetsu)
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