Is Cang Yuan Tu hentai?
English title: The Demon Hunter
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

ONA · 2023 · 26 episodes · PG-13 - Teens 13 or older
Action, Adventure, Fantasy, Historical, Martial Arts
Meng Chuan witnessed his mother killed before his eyes, so he trained very hard hoping to one day avenge her death. But his peaceful days were broken as his wedding engagement was called off, an invasion by foreign forces, the sanctuary fell into enemy hands... In order to protect the people of Ning City, he picked up his sword and vowed to be the strongest. This is a heavy responsibility and a long journey.
View on MyAnimeListShare
Check another title