Skeb commission!😑🐟💦

Source: https://twitter.com/noaharbre/status/1994442471489651022

Adult Frisk and Undyne from Undertale having sex. Frisk is licking Undyne's foot. Undyne's armpits are showing. Both of them are naked.

The pose is like this:

https://files.catbox.moe/h0xe8i.jpg

https://freeimage.host/i/FObizut (back up link)

https://files.catbox.moe/h0xe8i.jpg

Source: https://skeb.jp/@noaharbre/works/42