My Starlight (An Outerkiller fanfiction)

Killer sans was assigned to investigate a AU that supposedly is working with the enemy, known as the star sanses. When he investigates he is in a world where you can see the stars, he then meets outertale! sans. After Killer meets Outertale he seems to be..closer to him. Will Killer fulfill what his Boss Nightmare sans's wishes? Or will his feelings for Outer get in the way of his job?