"Of course I'm willing," Rukia says, bowing deeply while still seated. Even though she's about to enter a situation where she might be more of the teacher than Castiel, he's still significantly older than she is, and deserving of her full respect. Already, her chest feels tight with the challenge, hoping that she'll be of some use to Castiel.

"As for this place, I plan on keeping it open. I may not necessarily keep manufacturing the same items as Urahara-san did, but there is a market for such tools, and unless their use gets out of hand, I think it'd be better to continue supplying," Rukia admits. "Urahara-san used to provide me with tools that helped keep my vessel working well. It allowed me to continue working in the living world, at the time. I wouldn't want to leave those like myself stranded."