2boys, angel, angel_wings, black_hair, blue_eyes, blush, chain, collar, cuffs, halo, handcuffs, key, leash, long_sleeves, looking_at_viewer, male_focus, mio_(niufog), multiple_boys, niufog, original, pink_eyes, pink_hair, shirt, short_hair, white_background, white_shirt, wings, yaoi, yori_(niufog)