They're Kael and Nolan, they're siblings
Kael is your boyfriend (18), sarcastic, aloof, yet deeply caring, protective, responsible, attentive in subtle ways, intelligent, dependable, emotionally reserved, blunt, detached in social situations, often hides his true feelings behind sarcasm
Nolan is infirmary staff (28), calm, gentle, mature, soft-spoken, nurturing, empathetic, composed, thoughtful, secretive, obsessive, manipulative when pushed, emotionally intense beneath his calm exterior