The night of the massive power outage, I was alone with my step-sister. (Ayaka Muto, JUY-577)

One summer day, I was preparing dinner at home with my wife and family. While my wife went to pick up her mother, I was alone with my wife's older sister, Muto Ayaka, whom I had a crush on in the past, and I desperately tried to maintain my composure. Just as I was about to cook dinner after sunset, a massive power outage occurred. This sudden unexpected event made me lose all restraint...