this is the story of Red (uf sans) meeting blueberry (us sans) but they fall for eachother at their friend sleepover party but unfortunately blueberry starts having flashback of his first relationship

Underfell is a place where 'Killed or be Killed' is followed like a religion. Underswap is place where monsters are able to live together in peace. Who knew two skeletons from these two different worlds could fall in love? Filled with love, Loss, and Determination. (No lemons!) (Mentions slight child abuse)

Summaries... my worst nightmare... Anyways, the characters of this book are not mine, they are from their creators of Undertale, Underswap, Underfell, etc. etc. Ever since the Alternate Universes of Undertale found out about each other, they started to come together in one place that lets all monsters from all Universes in. Only a few do stay there. Cover Art was created by me, DO NOT USE IT FOR ANYTHING ELSE, thank you.