Keep Your PromiseMantén tu promesa; 약속을 지켜줘; Yaksogeul Jikyeojwo

"Confess to me again in two years. I'll think about it then." Taehee confesses to Sowon on his graduation with overflowing spirit and instantly gets rejected. Sowon gives him a chance, and so Taehee ends up attending the same college as Sowon two years later. Taehee talks to him with a thrilled heart, but Sowon doesn't seem to remember him...