Rule 34 Dev - absurd_res anal anal_sex angry anthro bat biped black_nose black_wings boots breasts challenge clenched_teeth clothed clothing duo echidna exercise eyelashes female flying footwear front_view fur gem glowing green_eyes hair hi_res kitt_kitten knuckles_the_echidna legwear male mammal master_emerald medium_breasts monotreme motion_lines muscular muscular_female night_sky one_eye_closed orange_fur outside penetration pink_clothing pink_topwear pussy quads rouge_the_bat sky solo_focus sonic_(series) star starry_sky teeth thigh_high_boots tight_clothing topwear weightlifting white_boots white_ears white_footwear white_fur white_hair wings workout|2995500040