Player had made friends with everyone in the underground, nobody died, and all the monsters cam up to the surface, and now they were living in peace with the ponies of Equestria. It was the perfect ending they had asked for. But when somebody starts tampering with their peace, timelines from other dimensions starts merging with theirs and chaos ensues. Now joining forces with the ponies, Frisk, Chara, Asriel, and the rest of their friends, player must find the culprit responsible for spreading the Multiverse Virus.

MLP FIM belongs to Hasbro.
Undertale belongs to Toby Fox.
Undertale AUs belongs to their rightful owners.
Story belongs to me.
Requested by Jenmaps64