By chance, I met my old friend from college, Umeda. He was currently unemployed and living in an internet cafe, so I brought him back to my house, saying, "If you're in trouble, why don't you get a meal?" My wife, Erika, was also from the same university club, so she was surprised to see Umeda again after more than a decade. That night, Umeda ended up staying at my house, but when I woke up, I could hear the rustling breathing of a man and woman right next to my bed...