Rule 34 Dev - 2020 2boys abs absurd_res anthro balls balls_expansion barazoku biceps big_balls big_muscles big_penis blue_body bodily_fluids clothed clothing dragon duo erection erection_under_clothing expansion gay genital_expansion genital_fluids genitals green_body growth growth_sequence heart hi_res horn huge_muscles humanoid_genitalia humanoid_penis hyper hyper_muscles jockstrap male male/male male_only muscle_growth muscular muscular_anthro muscular_male navel nipples nude oldshep pecs penis penis_expansion precum precum_through_clothing quads roman_numerals scalie simple_background size_difference size_transformation transformation triceps underwear wet wet_clothing yaoi|4549137512