Sylvain?

[ Byleth's eyes widened. Another one of her students. He was originally a member of the Blue Lions, but seemed very interested in joining the Black Eagles when she got to know him. (Well, it was more like he joined almost immediately but --) ]

Ah, forgive me. Would this be one of your items? I found it outside this door and figured it might hold some import to someone.

[ She holds up the crumpled letter. ]