I've been noticing the relationship between my neighbor, Takasono, and my wife lately. They seem to be getting along well—today, when she came by with the neighborhood notice, she brought us some leftovers and souvenirs. Chatting with my wife, we both smiled and agreed she seemed like a nice person. That night, holding the souvenir, I suddenly felt my heart racing, and ended up having sex with my wife. The next day, while my wife was out, I was masturbating alone—when suddenly, I heard a voice. I turned around in shock to see Takasono standing there, smirking at me...