Lina, a married woman living with her husband's younger brother and his wife. She had been leading a harmonious life until one day, her sister-in-law Kaori brought an unknown man into the house… Lina was shocked to witness Kaori and her husband, Koji (Lina's brother-in-law), indulging in each other's bodies. However, Koji, who had known about his wife's infidelity all along, said, 'I get excited when you're taken,' and suddenly pushed her down. Since she had been sexless with her husband, Lina reluctantly found her body unconsciously craving the penis…
