[Rocomani (Manatsu Roco)] Yuushuu na Boku no Imouto

A charming yet provocative tale of a younger sister who challenges her brother's restraint. While she plays the part of the perfect schoolgirl in her uniform, her playful teasing and bold advances suggest a much deeper intimacy. As the tension between the siblings builds, the boundaries of their relationship begin to blur, turning a quiet moment into an intense encounter where her youthful charm meets overwhelming desire.