I woke up this morning to find a beautiful woman with an erection next to me. It felt like a dream, but I couldn't remember anything... It looked like we'd had sex. (Aize Sara DASS-168)

I woke up with a hangover and found my colleague Aizawa sleeping naked next to me! What happened? I have no idea! I learned from Aizawa the shocking truth that I had assaulted her while she was drunk after a drinking party! But why does Aizawa, who is usually so talkative, seem so happy? And, we shared a secret that no one else knew, and we became closer...