Sans's Happy Song HD

This was supposed to be a Tumblr comic... Oh well! Song: Happy by Liam Lynch. My Tumblr: http://thegrinningkitten.tumblr.com/ Featured AUs (in order of appearance): — Underswap (http://popcornpr1nce.tumblr.com , http://underswapped.tumblr.com/) — Underfell (???) — Gaster!Sans (http://borurou.tumblr.com/) — Ink!Sans (http://comyet.tumblr.com/) — Outertale (http://2mi127.tumblr.com/ , http://outertale.tumblr.com/) — Sans Seraphim (http://tratserenoyreve.tumblr.com/) — Underfresh (http://loverofpiggies.tumblr.com/ , http://bestfresh90smess.tumblr.com/) — Error!Sans (http://loverofpiggies.tumblr.com/ , http://askerrorsans.tumblr.com/)