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

TV · 2017 · 10 episodes · PG-13 - Teens 13 or older
Action, Video Game
A hot-blooded anime on the topic of e-sports based on the real Chinese online game 300 Da Zuozhan (300 Heroes). Former top professional gamer Aoba Kaito returns to the gaming circle to regain his professional qualification which was deprived due to a doping suspicion. He and his friends confront against the conspiracy and rise to the top of the leaderboards.
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