DLDSS-526 - From 9 to 6 while my husband is at work: Secretly making a baby with my father-in-law

Rika moves in with her father-in-law after her mother-in-law passes away. Her husband is a clean freak who shows no interest in their marriage, leaving Rika lonely and craving affection. One night, her father-in-law catches her masturbating, and the very next day, as soon as her husband leaves for work, he makes his move. Despite knowing it's wrong, Rika finds herself unable to resist his advances.