[ Eden listened, hummed in thought and really, they were trying to see how it is. Surely Yasuho would know for sure how someone would respond, but a letter returned without anything done? Not even opened? ]

Couldn't have something happened to him, though? Or maybe someone interfered wherever he was, having it sent back.

[ It was the fact that the letter was never even opened that stuck to her mind. If they were together... ]

Though really, you're brave for sending anything back. I'd worry that with how strict they are about separating and leaving your old life behind, they'd kill or do something else to people I tried to maintain ties with. You could get caught up in some trouble for seeming too human.