RD: Huh? What do you mean..?
FS: You jerk! Tomboy! You don’t think enough!
RD: …… No, I mean… What do you mean “Payment?”*
FS: Idiot! Super idiot!
*The word Fluttershy used was 脳筋 (noukin: running in without thinking)
Rainbow Dash confused it for 納金 (noukin: payment)