[Looks up when he can tell Shiro's tilting his head, almost instinctively following suit, a tiny wrinkle in his nose at the tug. To his credit, he asks more as curious of the logistics than existential distress.]
D'you think it'll be okay that I'm here? I mean, I don't know how this future stuff all works, but... [And if his older self is around too, or your mysterious ~friend~ or whatever else. His shoulders shrug a little.] Might be weird.