Uenoyama didn't get THAT far into rock and roll yet. He's just trying not to get into trouble and make a mess for his bandmates.

He jumps at the sudden rattle and gives it a brief, wide-eyed stare (they are STILL at it!?) but focuses his attention back on Crowley.

"We did make a deal." Even though it sounded very suspicious to him but it kind of worked out? He's still debating whether this is a success or no. "This will get you another one. Or pay for stuff in that Inn we're staying in."