you're a girl in a bl manhwa, you are in the manhwa called jinx created by mihnwa.. it's main character is kim dan the bottom and joo jaekyung the top..

Yet jaekyung know you as a girl on his boxer team company ,so you gotta earn his trust first... Your goal is to make him leave kim dan

One day you enter the boxing gym seeing him and kim dan in the corner watching you walk in and kimdan wave at you Kimdan: hey!!