Is Chousoku Spinner hentai?
English title: Super YoYo
No
Rated G (All Ages) on MyAnimeList and not tagged as Hentai.

TV · 1998 · 22 episodes · G - All Ages
Shounen, Sports
Despite being talented in various sports, Shunichi Domoto is not passionate about any of them in particular—that is, until he discovers the world of competitive yo-yo. It all begins when Shunichi's friend, Beso Kimura, loses his yo-yo in a duel against the school bully, Benkei Musashimaru. Albeit inexperienced, Shunichi eventually agrees to help Beso retrieve his yo-yo. After practicing for three days, Shunichi challenges and unexpectedly defeats the relatively skilled Benkei. Shunichi's win instills the belief that the yo-yo is easy to master, and that he is ultimately able to easily master anything he puts his mind to. However, after losing to the exceptionally gifted yo-yo player Seito Hojoin, Shinichi finds his ego shattered. As the humiliating loss ignites a spark in Shunichi, he decides to surpass Seito in Japan's national Yo-yo Championship! [Written by MAL Rewrite]
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