Bloody Romance
媚者无疆 (original)
Qi Xue (Li Yi Tong) is a beautiful 16-year-old whose life takes a horrific turn when her father sells her to a brothel. There, she undergoes unspeakable abuse that nearly breaks her spirit. But when Qi Xue enters a mysterious new city, she is given a new identity of Wan Mei and undergoes training to become an assassin. Now able to use her beauty as a weapon.
Watch "Bloody Romance" from streaming services Amazon Prime, Rakuten Viki, Amazon released in 2018. It's a drama and fantasy show, and has a rating of 7.8 out of 10 from Imdb which is usually fine for this kind of show.