This is a continuation of @CreativeCurses unfinished story of similar name. Be sure to read their other story Chara x Reader - Erase Them All But You, so you know whats going on.
I WROTE THIS WHEN I WAS 15/16 I'M REALLY SORRY LADS
Chara is stuck in a spiral of Evil.
Sans and Frisk are happily living on the Surface.
The LOVE is gone, and replaced with love.
All Gaster needs to do is interfere with a moment.