Rule 34 Dev - 2boys anthro balls barely_contained beard big_balls black_underwear bulge canine cervine clothing cum cum_in_mouth cum_inside cumshot duo ejaculation facial_hair fellatio flexing gay grey_underwear huge_balls hyper hyper_balls hyper_muscles hyper_penis looking_at_viewer male male_only mammal masturbation multiple_images musclegut muscular muscular_male oldshep oral orgasm pecs penis penis_outline precum pubes sex standing underwear vein veiny_muscles veiny_penis yaoi|3246527368