I ended up being invited to my senior's house. It seems like he's living a blissful married life with his wife. He insisted we drink until we're satisfied, and I ended up staying over at his place. Late at night, my throat got dry and I went to get a drink, but I accidentally caught my senior torturing his wife in a masochistic way. The next morning, when I woke up, my senior had gone out, leaving me alone with his wife. She started seducing me with an almost intimate distance, but it was all part of their twisted couple's plan...