"Thank you. I will. Even if she deserved it, I owe her... And I'm sorry for keeping you out too long. Say you saw me while I was leaving and tried to stop me or something if it'll help."
With that, Kasai, unless Mei stops her for some reason, darts past her, heading deeper into the city.
((Obviously, this assumes that she wasn't stopped at any point, and that there's nothing special going on there. Let me know if that's not accurate, and I'll change it.))
A short time later, the pyrokinetic came to a halt in front of Shunkei Ina's apartment, or at least the apartment that she'd taken Ryuu and Souji to, and knocked lightly, though hard enough to be heard easily, on the door.