ADN-530 A married woman, Airi Kishijima, was made pregnant against her will by her stepfather whom she despised.

A father-in-law with ten half-children. He has an unparalleled love for women that can only be described as abnormal. He started living with his father-in-law six months ago. He couldn't help but hate it, but when he asked for a down payment on an apartment, he couldn't refuse... Even though we live together, my father-in-law never stops playing with women. I never thought that I would eventually become a prey to my father-in-law...