Salvation - Crossmare (Cross!Sans x Nightmare) 18+

[BOOK COVER BY ME/DRAWN BY ME. DO NOT USE MY ART.] [DO NOT READ THIS STORY IF YOU'RE EASILY TRIGGERED] It was not long after the X!Event that everything has ended in tragedy, in a dark, empty void, trapped in an unknown area. Even in a well lit place, it can hide salvation. And, that salvation, was Nightmare. Is it to...