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

Her nephew lives under the same roof with her aunt Eriko, who she admired since she was a child. Although I was staying with a deadline until my uncle's long business trip was over, I was satisfied just being there. However, as time passed, her longing became lustful and she spent her days tainting Eriko in her delusions. Today, he secretly sneaks into the changing room and tries to release his desires using freshly removed panties as a material for masturbation...