2boys, angel, angel_wings, arms_behind_back, bandages, black_hair, blue_background, blue_eyes, bound, bound_arms, bound_wrists, chain, face-to-face, from_side, hospital_gown, intravenous_drip, looking_at_another, male_focus, mio_(niufog), multiple_boys, niufog, original, pink_eyes, pink_hair, profile, short_hair, syringe, wings, yaoi, yori_(niufog)