He stops short at the tone, even as he half-convinces himself that his sleep-clouded mind is affecting his perceptions. Mello never sounds that cheerful, at least not around him.

Still, half-convinced is only half and so he looks in Mello's direction for a more complete picture of the situation -- and his mind instantly wakes up. That smile is not normal, but more than that, the scar is missing, and that's a glaring discrepancy. This new alertness is visible in a slight widening of his eyes, a tension in his shoulders.

"That's awfully friendly of you." His voice is more than distant; it's cold, guarded.

Something is incredibly wrong here.