Nanami Hoshishichi, who is living in my extremely small apartment, can't stand the sight of her sloppy big breasts jiggling defenselessly.
My younger sister, who moved into my apartment after announcing that she wanted to move to Tokyo, is a totally indoor-type hikineet with a communication disability. Her breasts have grown plump and are jiggling without any protection. She's always lounging around in sloppy and erotic clothes, so I can't help but notice her... When I found out that I was masturbating with my girlfriend's younger sister as a joke, she seduced me and my sexual desire exploded! ! "...If you don't teach me sex, some strange man might catch me and make me pregnant."
