"Are you excited by your aunt's underwear?" An aunt squeezes out no drop of her nephew's sperm with her freshly removed panties.

Natsuhiko lives in the house of her aunt and her husband and wife, close to work. She lives a fulfilling life under the same roof with Yukari, who has a massive, heavy body. I'm happy just to be able to spend time together. Even though I was thinking that way, my desires escalate as I spend time with my crush, Yukari. As I took a bath, I was enjoying the fragrant smell of freshly taken off panties...unfortunately, Yukari came to me...