Yaghyonjaneun Donggeojung

A 24-year-old woman moves in with the Hyeons after losing her parents, becoming engaged to Sang-Won, a middle school student. Initially unsettled by the nine-year age gap, Sang-Won grows more at ease when he notices she does not behave in a way that matches her age. While she appears gentle and pure on the surface, her inner thoughts suggest otherwise.