Lyn is just a highschool girl with a job as a tuition teacher at the local TS tuition center. But there's something more to her. She's stucked. Stuck between two guys. Himchan, a perfection in all the girls' eyes and even more attractive with his mysterious aura around him. And Jongup, a funny young guy who always bring a smile to everyone. But is that all to these boys? How is Lyn gonna deal with this? And the most important question is "Who is she going to choose?".