Yuya has long admired his mother's friend, Tsubaki. When he met her again, his old love flared up. Unable to contain his enthusiasm, he made out with her at night. Tsubaki noticed his actions but remained silent. However, I was carried away by the sharp pain of the body being touched, and I pressed my body against Yuya's several times. Tsubaki gradually avoids him because she feels guilty for being unfaithful to her friend's son.