Yes.

And yes, of course I understand that age verification is important, but my age is easily searchable on the rest of my socials. I'm not exactly keeping secrets here, and it'd be pretty dumb of me to try.

2/2 I see no reason friends who have sex can't be friends. If they call it something more, that's great too.

1/2 Every relationship is different, be it sexual, platonic or otherwise. FWB is the closest thing I can think of that matches what you're describing; the most important thing in any relationship is communication, so as long as all parties involved are making their needs and wants known,

Broppy and GustVal are both this for me. (Branch is four years older than Poppy; Gust is seven years older than Val.)