The Dynamics of Pure Love and Overprotection

It may finally be time to give up this hopeless, one-sided love.Ever since Yu Chaewon fell for her older brother's friend Kang Uihyeon at first sight, she has followed him everywhere and given him her whole heart. Uihyeon knows how she feels, but he has never returned her affection.Their relationship might look precarious from the outside, yet the equation between them has always been solid, flawless, and without a single gap.Until Uihyeon brings an unfamiliar woman to his birthday party.Now Chaewon's seventeen-year unrequited love is facing an abrupt end.