Is Turning Girls hentai?
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

ONA · 2013 · 7 episodes · PG-13 - Teens 13 or older
Adult Cast, Comedy, Workplace
On the surface, Nana, Kai, and Chiwa seem like typical office workers, but in reality, their everyday lives are spiced up by the bizarre situations they constantly encounter. Joined by their friend and self-proclaimed idol Kaeru, the trio attempts to go through their daily routine while facing the difficulties of being an adult. [Written by MAL Rewrite]
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