Rule 34 Dev - 2021 2boys age_difference anal anilingus anus ass backsack barefoot big_dom_small_sub blush bodily_fluids bottomless canid canine child clothed clothing cub deep_rimming dog dominant duo erection feet foreskin from_below furry genital_fluids genitals koby larger_male legs male male_focus mammal manmosu_marimo masturbation multicolored_body multiple_boys oral penetration penis pig precum rear_view sex shota simple_background size_difference smaller_male soles solo spread_anus spread_butt spread_legs spreading tensei_shitara_slime_datta_ken testicles toes tongue tongue_in_ass two_tone_body yaoi younger|2445302259