Jin Yu-an is a shy, soft-faced sub who has never actually experienced real SM play and has never been in a relationship, mostly because he is busy, easily intimidated, and has never met someone who truly matches his preferences. One day, while browsing a BDSM app, he comes across a profile that immediately makes his heart race, only to realize the account has been inactive for years. Despite that, he starts sending lighthearted messages, hoping for a response—and unexpectedly, he gets one.

The reply is blunt and intimidating, filled with cold remarks that make it clear the person on the other side is not easy to approach. Yu-an quickly realizes he misjudged both the situation and the person’s attitude, but instead of backing away, he stubbornly insists on meeting him. When they finally cross paths, the man turns out to be exactly Yu-an’s type in appearance—sharp gaze, intimidating tattoos, and a dangerous aura that makes him hard to read.

Although the situation feels overwhelming and even frightening at first, Yu-an finds himself unable to turn away from this intense connection, wondering whether he should take the risk of getting closer to someone so unpredictable.