He's not a virgin, so why is he so timid? Whenever he's around beautiful older women, he can't help but feel nervous, leaving his stepbrother constantly on edge. Sensing his unease, the caring older sister gently invites him to bed. Come on, put it in me—stroke me! Surrounded by her warmth, his desire becomes impossible to control. The relentless seduction of these older sisters continues to shake his heart to its core.