The goblin queen has very prominent breasts, marked on her outfit with an "x" on each, which are more heavily animated than the rest of her body.
The goblin prince wears a loincloth through which a bulge is visible.
In one scene, a goblin licks the princess's nurse's clothed breasts, presumably because he wants to eat her.
Curdy and the princess lean towards each other as if about to kiss in two scenes, but in the end the princess only kisses Curdy on the cheek.