<3 2018 2boys ahegao ancient-onyx anthro anthro_on_anthro anthro_only anus artist_logo artist_signature ass asshole balls big_penis blowjob blue_eyes butt changing_room dark_nipples dialog dialogue echidna erect_nipples erect_penis erection fox furry furry_only gay gay_blowjob gay_sex girly heart huge_cock instant_loss_2koma knuckles_the_echidna locker_room male male_only miles_prower mobian_(species) muscles muscular muscular_male nipples oral oral_sex penis praise purple_eyes red_fur red_skin sega shorts size_difference sonic_(series) sonic_the_hedgehog_(series) tails tails_the_fox yaoi yellow_fur