Read The Men in My Bed Manga:
Due to trauma in the past, Yeon Hee-soo treats men with a light heart and only seeks pleasure with them.
Even though she sometimes despises herself for meeting three men at the same time and allowing only physical relationships with no seriousness.
Through self-rationalization, she has already abandoned her conscience and cannot bear to end this life she lives.
Then, one day, she reunites more.. with her first love, Chae-gyeom, who only exists in her memory, and encounters a difficult situation as she realizes that it is a feeling that she considered taboo to him.
How will this entanglement go with these four men when Yeon-hee can't seem to let go of her sweet candy sex partner's and her first love?