Today, I came over to my girlfriend's house. The three of us—me, my girlfriend, and her older sister—started drinking in the living room early in the afternoon. I got drunk and passed out on the sofa. When I woke up some time later, I saw her older sister suddenly start stripping in the kitchen. Realizing I was watching, she exposed her naked body and began masturbating in front of me, moaning, "I wish I had met you before my sister..." as she seduced me. She then begged me to train and dominate her. The atmosphere shifted instantly, and their relationship took a sudden, new turn.