SSNI-984 An aging man like me took three years and 123 days to secretly target a female college student living next door, exploiting her weaknesses to complete the training of her body and mind. Tsubaki Miyahara.

When her boyfriend gets involved in a traffic accident, Tsubaki's happy life together begins to crumble. Her boyfriend was cut off from her dispatch job, and Tsubaki couldn't pay her rent because it was difficult to find a part-time job. The landlord, who has been secretly keeping an eye on Tsubaki since she moved in, attacks Tsubaki when he calls her home as her housekeeper. Tsubaki, who desperately resists her, is also entwined with her elderly landlord, and her body and spirit fall into her forcible sex with her metamorphosis.