I want to have sex with my sister! A virgin brother pours his heart out to his older sister who is about to get married. Fully supporting his sister's happiness, he continues assisting her—until forbidden incestuous desire takes over. This work portrays an intense, emotional journey where the brother's pure feelings and deep longing for his sister collide. As forbidden emotions and physical bonds intertwine, how will their relationship evolve? This story carefully unfolds their passionate progression, delivering burning emotions straight to the viewer.