“Carter's one night stand partner turns out to be his troublesome student's father... or is he?”

For ten years, Youngjin had not confessed to friend and co-worker Hoyeon. To drink away being rejected, he spends time drinking and runs into Sanghyun ending in a one night stand with him. The next day, he shocked to find out that his hook-up was none other than the father of the newly-transferred delinquent student Yumin Kwon...