HZGD-326: My father-in-law always stares at me with lustful eyes

Despite living with her husband and her mentally ill father-in-law, they lead a happy married life. However, lately, she has felt disgusted by her father-in-law, who constantly stares at her with lust, but she feels too guilty to tell her husband. Then, her husband leaves on a week-long business trip, and she finds herself staying alone with her father-in-law. And so began a terrible week! Her father-in-law gives her an aphrodisiac during a meal, and she begins to feel strange sensations in her body