Rule 34 Dev - 2boys abs anthro anthro_on_anthro biped blush brown_fur canine clothed clothed_sex clothing duo fellatio frown fur gay grey_fur hand_on_head hand_on_thigh kemono leg_wrap looking_away lying male male_only mammal motion_lines multicolored_fur muscular muscular_male on_front oral raised_arm royalsobatya sex shirt simple_background sitting tailwag topless two_tone_fur underwear white_background white_fur yaoi|3175561752