Naoyuki Kusabe
Naoyuki Kusabe (草部 直幸, Kusabe Naoyuki) is a former student of Kaimei High School and the leader of the defunct group The Spider's Association. Manga Debut: Chapter 23 (The Spider's Association) Anime Debut: Episode 5 (The Ghost of the Incinerator) (source: http://sketdance.wikia.com/wiki/Naoyuki_Kusabe)
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