[Maita Keikaku (Sennomori Maitake)] Boku wa Onee-chan no Imouto. [mysterymeat3]

A charming yet provocative tale begins when a dedicated older sister takes a keen interest in her younger sibling, Saya. What starts as a quiet afternoon tea turns into a daring game of dominance and transformation as the elder sister uses a strap-on to assert control, teasing Saya with the prospect of becoming more like a girl with every intimate touch. As the tension builds, the boundary between sibling affection and intense physical play blurs, leaving Saya caught between embarrassment and the thrilling sensation of being truly seen.