1girl, ankle_ribbon, ass, bare_shoulders, barefoot_sandals, black_nails, cup, fate/grand_order, fate_(series), feet, fingernails, foot_focus, foreshortening, from_behind, full_body, holding, holding_cup, horns, jewelry, leg_ribbon, legs, lying, no_shoes, on_stomach, oni, oni_horns, panapana_(pixiv_12562150), purple_hair, revealing_clothes, ribbon, sakazuki, shadow, sharp_fingernails, short_hair, shuten_douji_(fate), shuten_douji_(first_ascension)_(fate), simple_background, skin-covered_horns, soles, solo, toe_ring, toes