The next target is...my younger sister, Yuki Katsuragi! ! rnrnIn exchange for lesbian material (secret filming),rnI drive my Trevian second daughter crazy...rnIt's not easy being a home security guard, right? WWWrnrn＜STORY＞rnThe man's name is ``Kareki Tsunetaka''rnHe is a veteran home security guard who has been employed for twenty years. . rnIn the mansion that Tsuneko protects,rnShoko Katsuragi, a widow with a voluptuous body, who remarried his father, and her stepchild, who has a large breast and a man's The older sister ``Sayaka'' who steals attention, and the younger sister ``Yuki'' who is cheeky but has a well-proportioned body are present.