Rule 34 Dev - 2017 4_toes all_fours anal anal_masturbation anal_sex anthro ass balls black_nose blue_fur blush brown_eyes bulge canine clothed clothing english_text erection feet fundoshi fur half-closed_eyes heart internal japanese_clothing looking_at_viewer looking_back looking_pleasured lube lying male male_only mammal masturbation motion_lines multiple_scenes on_back open_mouth partially_retracted_foreskin pawpads penetration penis pictographics poking_out rear_view sex_toy sheeporwolf simple_background solo speech_bubble spread_legs spreading standing steam sweat sweatdrop teeth text toes topless toying_self uncut underwear underwear_aside vibrator white_background|2661437448