JUY-577 Spending the night of a massive blackout alone with my crush, my sister-in-law... Ayaka Mutou.

One day when I recorded the midsummer day, I was planning to enjoy dinner with my wife's family at home. While her wife went to pick up her mother-in-law, I was alone with my wife's older sister, Ayaka, who I had longed for, and I was desperate to keep my reason. And when the sun went down, the moment I stood in the kitchen to make dinner, I was hit by a large-scale power outage. Due to a sudden accident, I had to spend the night alone with Ayaka-san.