Kyuyeon Kim plays a female character named "Yorong" in the online game with one motive to seduce male players and freeload off them. However, things change when Yorong seduces a certain male player, "Yummin." who turns out to be Kimin Yum, his classmate and one of the most popular guys at his school. As time passes, Yummin gets clingy to Yorong, and Kimin also starts getting friendly with Kyuyeon. Can Kyuyeon figure out how to get out of this mess?