"Tie me up and punish me. I want to be your dog..." Chanhee has a major crush on Eunjo, the campus goddess. Tired of waiting around, he decides to join her in her secret fetishes - stepping foot into the wild, wild world of BDSM. What Chanhee doesn't realize, however, is that Eunjo is a vanilla just like him, and that the two have just embarked on a journey neither of them had asked for. Kinks and crushes, and a whole lot of drama in between!