Yeojasaramchingu

Tae-U and Ji-Eun are friends who are content with their non-romantic relationship. This changes when Ji-Eun returns from summer break with a noticeable transformation, causing Tae-U to experience new emotions. As Ji-Eun develops a crush on a classmate, Tae-U feels jealousy and confusion. He begins competing with the new interest, hoping to elevate his relationship with Ji-Eun.