He won't let me in the anus, but do I have the right to put my finger in?

Lucky friend - he hears my moans and immediately comes running with a hard-on

Wow, you're the one who's getting ready to fuck by the window? What if the neighbors see?

I understand the hints of anal at once - I see a ready ass and thrust

I won't give you anal, don't even think about it, but put your finger in, it feels good