Someone going by themselves in a world they don't know is just asking for trouble. Better to be partnered with someone.

[...that and also nowadays cooperating with others is necessary. Kiryu just isn't in any condition to tackle trouble all by himself anymore...all these years and his current situation has taken a toll on him, that's for sure]

Are the nobles okay?

[They probably got rattled by the situation, but hey, at least they should be unharmed!]