My niece is moving from the countryside to Tokyo to attend university, and until she finds a new home, she's living with me, her uncle. When I arrive at the meeting place, I find Mikan, who has grown into a fair-skinned, busty, and well-rounded woman. Our life together is a confusing one. She's always showing me her panties and no bra, and she's always doing wild things like squirting and masturbating in my bed. Then, one day, Mikan, with a fearless smile on her face, seduces me in a tank top that shows her nipples, asking me... "Uncle, you're looking at me with dirty eyes, aren't you?" I know it's wrong to lay a hand on my niece, but I can't help but give in to her fully developed body... Squirting electric vibrator masturbation, pounding cowgirl position, blindfolded and tied up, titjob, handjob, footjob, and continuous creampies that make me lose my mind... a total of 6 ejaculations. A carnal life of cohabitation with my niece, who looks innocent but has a voluptuous H-cup bust.