Mito and Yamagishi live in the same neighborhood. Once a month, they organize a home party together, where they drink and talk about life. However, a few days later, Aika has an argument with her husband and wants to go back to her mother's house. Kana constantly advises her to stay at her house to reconsider. At the same time, Aika's husband gets a high fever, and Kana stays at Aika's house to take care of him.JUL-179 CHANGE WIFE - 2020 Kana's kindness touches Aika's husband, and due to not having sex for a long time, he can't control himself and has sex with her. Aika's husband witnesses this through the window and decides to have sex with Kana to seek revenge. Not stopping there, he makes his wife have sex with him in front of Kana, and then he will have sex with Aika in front of her husband to seek revenge. But it seems that they gradually become immersed in the excitement of having sex together, so their relationship becomes closer, and later on, they will have sex together once a month to make everyone's relationship closer...
