Chapter one: A start......

this is a story that everything is switched like UnderSwap but different

Sans takes Frisk's place - Frisk takes Sans'place

Papyrus takes Chara's place - Chara takes Papyrus'place

Asriel takes Mettaton's place - Mettaton takes Asriel's place

Undyne takes Asgore's place - Alphys takes Toriel's place

Asgore takes Grillby's place - Toriel takes Muppet's place

Muppet takes Alphys' place - Grillby takes Undyne's place

Blooky takes MK's place - Temmie takes Blooky's place - MK takes Temmie's place

Sans falls into the underground where some have been trapped, no one knows why. Sans is determined to find out, along with his ghost brother Papyrus.

Warning: My Fave Ships in here. DONT JUDGE ME!!!!!!!!!!!!!!!!!!