"So," Sirius, "You're saying we need to break into Bella's vault?"
"Well," Mayumi frowned, "We need to get the cuuup..." She sighed.
"I don't want to go to Azkaban again." Sirius deadpanned.
"I knooooow." Mayumi whined.
"And you should probably know that, as Black's last non-sitting-in-Azkaban heir, I automatically has access to that vault, right?"
Mayumi blinks owlishly, then let out a quiet, whispered, 'Oh'.