JUY-832 Spending the night of a massive blackout alone with my crush, my sister-in-law… Takase Chika.

As the spring weather began to warm up a bit, I was supposed to enjoy dinner with my wife and my sister-in-law Chika, who works as an announcer. Chika is beautiful, composed, and exudes mature charm; I always find myself captivated by her. Just as we were about to toast together, a massive power outage struck. My wife was called back to the hospital where she works, leaving me alone with Chika until morning. Since Chika is afraid of the dark, she won't leave my side, and there's no way I can control myself...