Ai, a new mother who has remarried her father. Keisuke is irritated by Ai's familiarity and motherly love, but even Ai, who was abandoned when she was young and has lived alone all her life, can't help but feel anxious about having a family for the first time. Stepmother and son have a hard time getting close... However, the adult charm of love gradually draws Keisuke closer... A gap in love that takes a shower
