HNTRZ-010 — "You're Cute, Little Brother" Slender Big-Breasted, Perverted Tattoos And S**-Loving Sex Friends Older Sisters Karen Otori Yuuki Hiiragi

Masao is a dull virgin who always spends all his time studying. His older brother, who is popular in real life, brings his free-spirited and sexy sex friends, Yuuki and Karen, home and makes love to them over and over again, devouring pleasure. He doesn't get along with his brother, but he is very interested in anything naughty. The next morning, while his brother has gone out to work, the seductive Karen, who is still drunk, and the devilish Yuuki approach Masao, setting their sights on his innocent body...