Rule 34 Dev - 2boys arched_back boxers bruise bulge cuffs cum cum_in_clothes cum_in_mouth cum_overflow deepthroat erection fellatio greyscale hand_on_another's_stomach handcuffs head_back head_out_of_frame injury lying male_focus male_underwear mole mole_under_eye monochrome motion_lines multiple_boys nipples on_back oral original reverse_fellatio schweinchen31 simple_background solo_focus sweatdrop throat_bulge topless_male underwear underwear_only upper_body yaoi|21964020273