Author's credits and blog post

It has been thirty years since the Devil has been defeated, and everyone has lived in peace. Some married and settled down.

Unbeknownst to the adults of Inkwell Isles, Anise, the daughter of Cuphead, and her cousin, Nixie, have discovered that the Devil returned and causes all the former debtors to be captured, especially Cuphead and Mugman. It's up to the girls and their friends to get them back.