Wooyoung is disliked at primary school, rejected in middle school, and unpopular in high school. At university, craving for attention, he decides to radically change in order to be loved, to the point of losing himself.
In the distance, San observes this fascinating and destabilising Casanova, whose true personality he hopes to be able to reveal hidden beneath his exuberant shell.
The difficult emotional journey of Wooyoung, to who San will teach to love himself and receive the love he deserves.