Well actually, if you factor in that Une wears a bikini top, even with shorter shorts she's still wearing more than Ace XP

Mmmm, shirtless Ace &hearts&hearts

lol *is incorrigible*

Awkward won't cover it

It would either have been super awkward (SUPER! *is shot*), or Luffy would have had one of his zen moments where he's like "you are you, and I am me, and that is all I care about" XP