Chara x Reader
Okay, I'll actually attempt a description.
This is basically an AU after the pacifist run. All the monsters have returned to the surface, but a young human, Y/N, (that's you!) falls down after there is nobody left. The ghost of Chara finds you and attempts to guide you through the underground. You don't get along that well at much, but eventually grow closer and closer.
... Are you satisfied?
Undertale completely belongs to Toby Fox.
Artwork does not belong to me.
Writing belongs to me.