So apparently Spamton x Muffet is a thing : r/Deltarune

Retrieve Studio Asset

High Res (1920p) Standard (1280p) Web Friendly (800p)

Note: Asset opens in a secure tab. Right-click → "Save Image As" to download.

This promotional media asset is provided by Barre3 Wellness for the collection MUFFET R34 . Authorized for editorial and studio promotional use only.