Is Kindaichi Shounen no Jikenbo Returns hentai?
English title: The File of Young Kindaichi Returns
No
Rated R (17+ (violence & profanity)) on MyAnimeList and not tagged as Hentai.

TV · 2014 · 25 episodes · R - 17+ (violence & profanity)
Mystery, Shounen
High school student Hajime Kindaichi is the supposed grandson of famous private detective Kosuke Kindaichi. Visiting Hong Kong for a fashion event with Kindaichi, our hero's girlfriend Miyuki is captured by a stranger in a case of mistaken identity. The journey to save Miyuki itself leads to yet another crime case... (Source: YTV)
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