Heh- it likely wasn't intentional- but Rouge's two raised fingers seem to be implying to any viewer: "Yes, I like screwing Tails since he is twice the man of any mobian male because he's got two cocks"-- much like that prior depiction you had done of him. :-)
And Tails' raised fist could be viewed as him exclaiming: "Yes, I'm going to be banging Rouge all night long!" LOL!
Heh- it likely wasn't intentional- but Rouge's two raised fingers seem to be implying to any viewer: