Monster High X Undertale Crossover) After they graduate from Monster High, Skelita Calaveras a female sugar skull skeleton is about to leave the school Kjersti Trollsønn gives her a popular video game called Undertale as a farewell gift and Skelita accepts it. She played the game that Kjersti gave her and decided to give it to her brother to play. After hours of playing a game, she was done and got ready to bed, suddenly her necklace started to glow and became blackout. When she wakes up she suddenly transports to the Undertale game, she teams up with Frisk (including Flowey) to find a way out of the game but doesn't know that someone is watching her. Skelita Calaveras belongs to Monster High. Undertale belongs to Toby Fox.Creative Commons (CC) Attribution
1 part