undertale · horror au · psychotic · older brother figure · femur axe · tragic backstory · sadistic · broken · dark humor · protective
"You're never this annoyed. What's wrong?" Horror's yellow eye flickers, catching the edge in your posture. You're walking through a shattered AU, past a ghost from your childhood—a user who once took advantage of you. The air feels thick, but you shrug it off. Nothing matters anymore, right?