San

Uke and seme are coworkers, uke is omega but everyone thought he's a beta, seme kinda popular in their company and idk kinda dislike the uke because he's gloomy but he likes uke's bff which is an omega so he bought a drink online to force omega to an estrus he wanted to give it to uke's bff but instead uke is the one who drank it instead

Its a xianxia bl top white haired master x bottom black haired disciple and they have this concept where the bottom is the sheath while the master is a blade Idk BUT PLES HELP ME FIND IT