About 4 years after debut!Yura Kano, who has grown into an adult, challenges her married woman role for the first time!Her husband's boss (Oki), who had been aiming for Yura, who retired from her company marriage and worked as a freelancer, worked out her strategy and sent her husband on a local business trip.Yura, who is alone, is put to sleep with sleeping pills at the hotel.I secretly make a duplicate key for her home and continue to commit Yura over and over again who can not escape.Yura, who was sober and innocent, is trained by Oki, who hates her, and gradually transforms into a sex-loving bitch while feeling her guilt.