Reiko used to work as a model, then worked for a publishing company, and lived with her husband. However, her father-in-law's dementia, which she lives with, worsens, and she quits her job to take care of her father-in-law. Then her father-in-law praised her Reiko who still boasts bewitching proportions even though she retired from her active duty! Reiko, who made her feel better, shows off her extreme swimsuit, which strongly stimulates her father-in-law Mara! Reiko wets her crotch unintentionally and allows her to insert into her father-in-law's rich blame as if she saw through her accumulated desires... And her busy husband's unknowing intercourse between the two was going to escalate...
