Molester hot spring Lewd bath trip

Yui, an office lady, is dumped by her boyfriend Tatsuya. One day she meets a molester on the train. She grabs the man's hand, but he is turned off by that. Yui then feels pessimistic about her life. Tanihara, a university professor, and Yamada, a former temporary worker, are also feeling pessimistic about their lives at a bar. Yamada was laid off and his girlfriend, Kozue, called him a stalker. Tanihara was suspended from his university, and his wife and child had lost all affection for him, now all living separately. The two men go to a hot spring for fun. As they arrive at an inn in the countryside they meet Tsukiko, the landlady, and Hosemi, her waitress, both beautiful widows. Yui is also there on a promotion trip. In the open-air bath, Hosemi masturbates while washing her body. She takes care of Tanihara, who faints from excitement, in her room...