All was peaceful in the Underground... That is, until a horrible disease began spreading rapidly amongst all monsters. It started in Hotland... Then spread to Waterfall... Finally, it has reached Snowdin. Sans never goes outside anymore. He doesn't even go to Grillby's, out of fear the disease will infect him and he won't be able to protect his brother in these dangerous times. All hell has broken loose... And it lurks just beyond the Skelebros' locked doors. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ WARNING: This fanfic contains horribly painful transformations, cursing, character suffering, gore and other content of that sort. Do not read if you are uncomfortable with any of said themes. Highest Rankings: #41 in disease #359 in papyrus #75 in undertaleau

Read these lemons, it fills you with determination

Just corn.

⚠️ WARNING ⚠️ This story is for 18+ only as it contains mature themes and NSFW topics. I am not responsible for minors. Viewer discretion is advised! Been wanting to make this cus' Undferfell Sans is.... NGGGH ~ Anyway Enjoy. Cover art belongs to me IG: sammemcsue 2nd IG: Goretasmic ~!!Please ask permission to use it!!

'The Crystal Gems have been around for thousands of years on earth, protecting it from extraterrestrial threats and even the occasional Paranormal threat, When Steven Came along consequentially Rose was gone things changed for them, They once again had a purpose on earth, all be it for a different reason, they wish to protect Steven and raise him to be the best person possible, But how will that change when he accidentally finds a long Forgotten ship buried deep into the forest with a member of a ancient alien race, They already look human, Now can they learn to play the part?' (Steven universe is not owned by me. The only thing owned by me is the characters I add and the separate plot lines I have created)