Tenzou wrote...
a trap is by all intents and purposes drawn, presented and (if necessary) voiced like a girl, who just so happens to have male genitalia.
Yep, I have never gotten into tranny porn because 3D trannies still look male to me. But traps in anime are often indistinguishable from females except for the genitals.
That said, futas with balls are not my favorite, nor is futa on futa sex. But anything by Jam Ouji is f2/f2 and it's great!