It would be both fun and torturous for her tbh

[Once they get out of the store they'll be subjected to the crowds again, the lingering scents of other people both vaguely turned on or not, so they're likely to be much safer in a crowd now that she's got herself under control. Her legs just hurt and she has to push herself to move as quickly as Yamato can.]

I'll survive. [Her ass really hurts but she doesn't whine, okay.] Let's go get Koji's present.

[They still need to finish shopping. If it wasn't Christmas Eve they'd have room to go home now, but he can't just not have stuff to give everyone. Once they finish with their brother there's just both parents, and neither of those instances should take very long.]