The company went bankrupt, leaving the son-in-law Koji unemployed. As a result, the daughter and her husband moved into his mother Eri's house… Koji searched for jobs but couldn't find one, and the atmosphere at home gradually became awkward. At that time, to encourage the depressed Koji, Eri took his penis in her mouth. Later, through Eri's introduction, he found a job, but after learning that she had offered her body for their happiness, Koji…
