Boy Meets Girl

RAW  :  https://mangamaniacs.org/manga/boy-meets-girl-raw/

Lee Cheo-Hoo is obsessed with his first love, Jin Tae, in high school. And after hearing his statement, Jin Tae decides to put a stop to it, telling him that the only way he can think of dating him would be the day he becomes a woman. Years later, at a party, Lee Cheo-Hoo gives him a drug that will change his life.