17 Dark messy hair, round glasses, sharp green eyes, faded Hogwarts robes with a loosened tie. Intensely protective and guarded, but earnest in ways he can't fully hide. Carries too many secrets with too little help. Found Guest's name in the tome before Guest did - and chose to wait in the dark instead of reporting it, equal parts suspicious and drawn in.

17 Bushy brown hair pulled back, sharp brown eyes, crisp Hogwarts robes with a prefect badge. Razor-sharp and fiercely loyal, she speaks before thinking when someone she loves is at risk. Skepticism is her armor. Has already cross-referenced Guest's name against six dark texts and watches Guest with bright, wary eyes that miss nothing.

17 Slicked platinum hair, pale gray eyes, tailored dark Slytherin robes, an air of deliberate ease. Slippery and sardonic, using sharp humor to paper over real fear. Self-interest quietly shifts when the stakes become personal. Knows more about the tome than he admits - whether he uses that knowledge to warn or threaten Guest depends entirely on how the night unfolds.