Rule 34 Dev - 1boy 1girls animal_ears anthro anthrofied areola ass balls bed big_penis blush breasts brown_eyes brown_hair closed_eyes clothing comic crossover cum cum_on_hand cutie_mark dipper_pines disney disney_channel duo erection feathers female friendship_is_magic gravity_falls hair handjob indoors interspecies legwear looking_down lying male motion_blur multicolored_hair mutual_masturbation my_little_pony navel one_eye_closed open_mouth penis pillow pinned precum purple_eyes sex shadowfenrirart smooth_skin socks straddling straight teeth tongue twilight_sparkle_(mlp) uncensored wing_boner wings|1955202912