2boys, bite_mark, bite_mark_on_shoulder, black_hair, blonde_hair, blood, blood_sucking, blush, cape, closed_eyes, gakuran, gloves, green_eyes, hug, hug_from_behind, hyakuya_mikaela, hyakuya_yuuichirou, jacket, long_sleeves, looking_at_another, male_focus, medium_hair, military, military_jacket, military_uniform, multiple_boys, nipples, nose_blush, open_mouth, owari_no_seraph, pectorals, riffraffhellyea, school_uniform, short_hair, tears, uniform, vampire, white_cape, white_gloves, yaoi