When I wake up in the morning, my colleague Oguri is sleeping next to me in his underwear! Why is he here? I got drunk at a drinking party and have no memory of it! Then Oguri wakes up and makes a shocking confession: "We had sex yesterday!" Is that a lie?! Oguri is usually so nagging, but for some reason he seems happy. When he asks for my dick again, I can't contain my excitement...