Summary Beginning of the Beast from Kainu Manga
Beginning of the Beast summary: "Doyoung" catches her boyfriend of 10 years cheating. In her despair, the kind younger man, Jihun, appears before her, and they impulsively spend the night together... "I look forward to working with you, Assistant Manager Min Doyoung." The new hire who was supposedly joining the company was the very man she spent the night with yesterday?
