Undertale 0
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Long ago, two races ruled over Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans were victorious. They sealed the monsters underground with a magic spell.
Only a few years later...
This story takes place in the events that took place in the underground before the events of Undertale; or, at least, based on Undertale Wiki research, common opinion, and my own opinion and characters. It follows the lives of the 6 humans that fell into the underground shortly after what happened to Chara and Asriel, their encounters with other monsters, and even a certain mystery-shrouded royal scientist!
--DO NOT READ IF YOU HAVEN'T PLAYED/WATCHED UNDERTALE YET!--
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