Riho is a big-breasted married woman who loves her husband and lives happily ever after. However, Riho also had a small problem. She has no complaints about sex with her husband, but she can't forget the body of the man she had sex with once before, and she ends up masturbating when she remembers the sex they had. is. Once she's finished masturbating, she can't wait for her husband to return and goes about her daily life as usual. That's it