Chisato who came to a certain hot spring inn with her husband at the invitation of her only daughter Mizuki couple. Chisato stretches her wings for the first time in a long time and soaks in the open-air bath, but she gets hot in the bath because of her daily fatigue. It was Mizuki's husband, Kenji, who helped Chisato. Kenji holds her Chisato's ripe body and carries her Chisato to her room. And that night... Kenji can't forget the feeling of Chisato's body. She aims for the chance that everyone is drunk and she moves Chisato, but...
