When her husband fails in business, Konoha is forced to accept financial support from her father-in-law. However, her father-in-law orders her to take care of his personal needs as a condition. Not only that, her father-in-law is aroused by Konoha's voluptuous body and hands her an aphrodisiac, saying, "If you're ready to be embraced by me, take this stimulant." Konoha reluctantly takes the drug for her husband, and allows the perverted old man to play with her heated body. Even though she refuses in her heart, the drug makes her body several times more sensitive, and she climaxes multiple times as her father-in-law teases and performs cunnilingus on her. Eventually, the pleasure overcomes her reason, and she becomes addicted to immoral acts with her father-in-law...