2boys, alternate_costume, america_(hetalia), axis_powers_hetalia, biting, black_cape, blood, blood_in_mouth, blood_on_clothes, blood_on_face, buttons, cape, clenched_teeth, drinking_blood, earrings, fangs, gloves, grabbing_another's_hair, green_eyes, hand_on_another's_back, jewelry, leather, leather_gloves, looking_at_another, male_focus, multiple_boys, neck_biting, nosebleed, short_hair, spot_color, teeth, thick_eyebrows, to@st, united_kingdom_(hetalia), unworn_eyewear, vampire, vampire_costume, yaoi