Underthirst - Sexy Frisk X Flowey AU

''Long ago, two races ruled over Earth: HUMANS and MONSTERS. The HUMANS were much stronger - they had a magic system dependent on the sexual energy that would produce during the intercourse of a HUMAN and a MONSTER. As war broke out due to some undisclosed circumstances, HUMANS used that to their advantage to forcefully harness as much energy as possible, to create a barrier between their two worlds..''

Get ready for some hardcore lemon, staring Frisk and Flowey. It's a story full of sexual relations and intercourses, exploitation, fantasies, weird kinks and fetishes. You have been advised - this piece of literature will arouse you as much as it will entertain~

Frisk is about get sent on a diplomatic mission to the Underground. She just turned 18 - meaning she's an unexperienced innocent girl that has never been touched before. Her visit to the Underground will change the relations between HUMANS and MONSTERS forever, and THE KING'S secrets will be finally revealed.