... it's nothing that noble, and my reasons are probably more selfish than I can make it sound with this much.

[because he's still being a vague. as much as he loves shinjuku, he also doesn't think that he's going to be strong enough to protect it by himself

and it's why he just shakes his head when he looks back at her with a smile]

No. Trust is a lot harder to win than that. I don't trust you either - but I figure this is something I'm willing to share, so it can at least be a start.