Immediately after graduating from school, Rin and Kazuo got married, overcome his parents' objections. The harsh reality for two young people, and the last workplace they are hired is also harsh. Even so, Kazuo still did not quit his job and endured the irony of the boss. One night, the boss came to eat at home and started to get his wife, perhaps due to drunkenness, while Kazuo went shopping, he secretly fucked each other with Kazuo's wife. And then every day he fired sperm into the braids of Rin, who wanted to have children with her husband. She was finally pregnant but this was not her husband's.