Amio neesan and her friend Mai-chan. Gentle and kind, they were figures I'd always admired. When they met up again after a long time, it wasn't just a nostalgic reunion. They were talking about how my sister had made me climax using an electric massager. They waited for me to come home, then launched a surprise electric massage attack together. Mai straddled me, pinning me down, while neesan unleashed her serious electric massage, making me climax. In front of my long-time crush, I was brought to ejaculation by my sister's electric massager. Then Mai said she wanted to make me climax too—held down by my sister, I was made to climax by the vibrating sensation of my crush's legs. While I was hypersensitive from climaxing, they mercilessly stomped on me, continuing the electric massage. Finally, I was told: "Confess that you climaxed from the electric massage!" This unexpected series of events unfolds into an intensely erotic scenario.