The super-lewd paradise life of Yuichi—the eldest son of the Nanase family—and his five adorable younger sisters continues! Yuichi is jolted by a wave of pleasure while dozing off and dreaming of having sex with the fourth sister, Hiharu, and the eldest, Sakura! Upon waking, he finds the youngest sister, Hinata—who is curious about the male body—being subjected to a "restraint lesson" by the third sister, Zakuro, who is unleashing her full sadistic side! He relentlessly pounds their dripping, throbbing pussies until he unleashes a massive load! He then blasts his seed into both the front and back holes of the second sister, Rika, who is masturbating on his bed and struggling to be honest about her desires! It is a big brother's duty to answer his sisters' love!!