Rule 34 Dev - abs bara bating bator behind_view biceps big_ass big_butt big_muscles big_pecs big_penis black_hair blush bodybuilder boner briefs erection gooner gooning hairy_legs huge_cock japanese_text kuromine_hiraya male male_only masturbating masturbation muscle muscles muscular muscular_back muscular_male muscular_thighs pecs penis solo solo_male striped_underwear sweating tan_skin tank_top text thick_thighs tight_clothes tight_clothing underwear underwear_pull veins yuatari|12006453040