That night after their secret affair in the bathroom, Kazushi is unable to sleep due to excitement and feelings of guilt. While Kazushi is like that, Kotone and Ayane are sleeping soundly in a row as usual. Inspired by the glimpse of her bare legs peeking out from under the covers, Kazushi starts to touch Kotone's body again as they sleep together, thinking that she forgave him once. However, the person he thought was Kotone and put his hands on was actually Ayane.