Oh, I get a reward when I'm being a good kid? [ GOD, SENJI.. she means it mostly as a joke though, considering there's almost something amused in her tone despite it being deadpan, and she sips from the drink. ]

Besides, even if onii-chan wouldn't come back, you can make up for it by taking Shu and me out to the amusement park again sometime.

[ for that one's more difficult to tell whether it's a joke or not. ]