atsumu's being indiscriminately petty today. some would say she's always like this, but no: she's always blunt, crass, and argumentative—it's similar but different.
but osamu knows her twin. today, her temper is baseless.
if their teammates aren't going to give 100% while atsumu always gives 120%, osamu understands why atsumu gives them a piece of her mind—even if she doesn't agree with atsumu's approach.
atsumu being petty—on the other hand—stems entirely from petulance and not getting her way.
