While on vacation, Button Mash, now recently turned 19, spends some time with his mom (Cream Heart) renting out a nice beach house with a pool. While getting up in the middle of the night for some water, he spots her doing a little late night skinny dipping and decides to have some late night bonding time.
Derpi #1992593

Spoilers/kinks:Incest, casual nudity, casual sex and skinny dipping.