Prompt
A feral quadruped dragon receiving fellatio from another dragon. male/female, flat_chested, tapering_penis, duo, dungeon, ventral_scales, cum_in_mouth,
Negative
Anus, breasts, nipples, bad_anatomy, balls, clitoris, clitoral_hood, glans, humanoid_genitalia, humanoid_penis, humanoid_vulva, belly_button, knot, knotted_penis