Is that a BJ ponytail?
Is that a bulge under the dress?
Is Blondie a new character?
Can I get a hell yeah?

That's a penis!

So it's a girl on futa? Personally, though considering art of the past here, I think that could just be a fold of the dress

https://satinminions.com/img/room-01k.html

Turns out it was a penis!