Qian Wu Guren
English title: Without Parallel
Japanese title: 前无古人
Type: ONA
Source: Manga
Episodes: 22
Status: Finished Airing
Aired: Apr 20, 2021 to Sep 10, 2021
Duration: 7 min per ep
Rating: PG-13 - Teens 13 or older
Genres: Action, Adventure, Boys Love, Fantasy, Mystery, Supernatural
Themes: Martial Arts

The smartest man, Luo Xiao, and the affluent prince, Yan An Cheng, wander from place to place to find clues about the legendary “Heavenly Stairway”. They encounter many bizarre cases along the way, and gradually, they uncover a hidden conspiracy...

(Source: Baka-Updates)