28 parts Complete Twin sisters Soobin and Soojin enter university with big dreams - and an even bigger shadow: their protective older brother, Seungcheol. What begins as late-night practices, campus festivals, and study sessions soon turns into something more, as Soobin finds herself drawn to basketball captain Mingyu, while Soojin quietly falls for the steady warmth of Wonwoo.
Between whispered rumors, jealous glances, and a brother determined to guard their hearts, the twins learn that love is as much about courage as it is about timing. Surrounded by their chaotic circle of friends, laughter in group chats, and dreams of building a future together, this is their journey of youth, friendship, and first love.