[ At the very least the words make Junpei tense up noticeably. Does this guy know? How? Is he psychic? Or have access to his information somehow? The idea that the answer could be he’s displaying all kinds of tells doesn’t occur to him. He thinks he’s flawless at hiding what’s happened to him unless he opts to share that information himself. ]

L-look, I don’t know how you know about ... what happened back home, but I’m fine here. Things are different.

[ They were going to be different. He’d make sure of it. ]

You don’t need to play hero or ... whatever it is you want to do. I don’t need anyone’s protection.

[ He’d muddled through without adult concern long enough, no use getting it now that his outlook was permanently damaged. ]