"Why are you doing this?!? I KNOW you're in there Frisk!! PLEASE!!! Talk to me Frisk!!! Please..." When a young girl falls into a ditch into the Underground, a world of monsters, she feels herself change. Her thoughts turn from merciful to murderous, and she has no idea why. When she meets a certain PUNNY skeleton, she feels something from her old self thrive within her. Will she be trapped in this develish persona forever, or will someone finally set her free?