[Neko Kan (Nuko Yarou)] Imouto ga Namaiki na Mesugaki Haishinsha datta node, Odoshite Hamedori Haishin Sasetatta

A nervous sister livestreams a private moment, unaware that her brother is watching and suddenly appears to claim her body, turning the intimate broadcast into a forced, rough encounter. The tension spikes as she protests, yet the brother's relentless thrusts and the crowd's lewd comments drive her toward an involuntary climax and a disturbing promise of pregnancy. She ends shocked, realizing the brother has taken control and left her to confront the consequences of his invasive actions.