Rule 34 Dev - 4boys arm_grab ass backwards_hat barbell baseball_cap bdone black_hair blue_hair blush bottomless brown_eyes clenched_teeth dark-skinned_male dark_skin english_text erection flaccid grin gym hand_on_another's_chest hat heart imminent_anal imminent_penetration interracial large_penis leg_grab long_hair looking_at_another lying mars_symbol mole mole_under_mouth motion_lines multiple_boys muscular muscular_male nervous on_side open_mouth orange_eyes original out_of_frame penis penis_size_difference ponytail saliva saliva_trail shiny_skin sidelocks smile socks sweat teeth testicles trap upper_teeth_only veins veiny_penis watermark yaoi|13413662028