Rule 34 Dev - 1boy abs anatomically_correct anhes animal_genitalia anthro balls biceps big_penis bow braid briefs brown_fur clothing equine erection fur green_eyes grey_fur horse horsecock looking_at_viewer lying male male_only mammal mane muscles nipples on_back pecs penis pillow ponytail rannik ribbons solo spread_legs spreading tied_hair toned underwear vein|1870437376