Even a little can hit you hard when you're not used to what's in it.

[There's something.... about this guy. Kuro's not sure he can put his finger on it... how hard is the uki hitting him, anyway?]

People in the west and down here like to lace the alcohol with Uki. It's a kind of recreational drug with an aphrodisiac kick. I dunno what 'essence' is, though.

[He peers at Yakumo curiously, making sure to meet his eyes--and there's something strange about how the light catches Kuro's, just a little--before nodding towards one of the nearby tunnels.]

Knowing that, do you still want me to help you out? 'Cause I can, if you want. And if you want some privacy, there's side tunnels we can use.