A married woman with little sexual experience who has only had sex with her husband. However, she felt uneasy about the routine of having sex only in the missionary position. Then one day, she consulted her father-in-law, who lives with her, and they fell into a forbidden affair. The pleasure she experienced for the first time released the innate sexual desire hidden inside her body. The awakened wife became addicted to pleasure and continued to seek the insatiable penis with her instincts exposed.