The female lead, Song Jian, has a sex partner in her department. But then… her college sex partner shows up as a new hire? She ends up getting confessed to by both her ex FWB and her current FWB. Before she knows it, she’s seeing one on Monday/Wednesday/Friday and the other on Tuesday/Thursday/Saturday— and on Sundays, the three of them meet up together. A high-steamy, 19+ threesome romance about a female lead who doesn’t believe in love, and the happenings that unfold as she works alongside her ex and current sex partners!