Word of Honor
山河令 (original)
A disillusioned leader of assassins sets out for the martial arts world, where he encounters a bosom friend and becomes entangled in a conspiracy.
Starring Zhang Zhehan, Gong Jun, Zhou Ye, Ma Wenyuan, Sun Xilun, Jin Le, Ke Naiyu, Wang Boqing, 森 悠也, Ma Lan
Watch "Word of Honor" from streaming services Netflix, Amazon Prime, Rakuten Viki released in 2021. It's a drama and action & adventure show, and has a rating of 8.4 out of 10 from Imdb which is very high for this kind of show.