depends on the story because omegaverse isn't that consistent. In some, they have vaginas and a clitoris that can extend to a pseudo-penis. I don't think that's so in this story and they just have a penis
OK OK BUT HE GONNA BE TOXIC AND THEN THE BOTTOM IS GONNA IGNORE OR LEAVE HIM AND THEN THATS WHEN THE TOP IS GONNA KNOW HE LOVES THE BOTTOM YESSSSS MY FAVORITE (▰˘◡˘▰)
omgawd why the hell do we all love assholes HE IS SO HOT FOR WHAT