If Cathy were actually hurt at all, he'd be reacting differently. But the only times Cathy makes a fuss over an injury is when she's not actually injured in the slightest.

(This is very weird to Trowa. But so are many things about his sister.)

So he just puts her down (when she's stopped holding her nose) and flips down to toss the fan back up to her.




It takes a few more tries.



Maybe more than a few.



But they do get it consistently. Eventually.