Let's make thick sperm with abstinence for a month! A couple, Satoshi and Misato, who want children. They ended up living a month of abstinence, trying the methods they saw online. Satoshi, who has been banned from masturbating, has an erection until she finally pushes up her clothes. Satoshi tries to put up with it until the promised day, but she doesn't realize that her mother-in-law, Mio, was jealous of it. In a place unknown to Satoshi, Ichimotsu was in danger ...