When I got home, my sister was having a girls' party. My sister usually makes fun of me, but my friends are interested in me. - The king game starts with Nori, and it gradually becomes a naughty order, and the girls' orders heat up. Overwhelmed by the erotic power of a girl who is interested in sex, the king game in a harem state plunges into dangerous territory! A little! - It's really bad with my sister!