While her husband was away on a business trip, her father-in-law, who lives with his wife Mirai, secretly drank tea laced with an aphrodisiac that her husband, who is troubled by a lack of sex, secretly put in the tea. The two lose their sense of reason as their husband's body heats up and they engage in sweaty creampie sex! Even though her sensitivity has increased abnormally, Mirai has become addicted to her father-in-law's cock, and even after her husband comes home, she continues to seek him with her hard body! No matter how many times she ejaculates or cums, her body heat never subsides! Is this just because of the aphrodisiac? She can't get enough of the same old routine sex with her husband...