2girls, age_of_ishtaria, bikini, black_bow, black_hair, bow, bow_panties, bra, breasts, demon_horns, demon_wings, empusa_(age_of_ishtaria), eyes_visible_through_hair, fang, fangs, feet_out_of_frame, green_eyes, hair_between_eyes, hair_bow, hand_on_another's_stomach, horns, lingerie, long_bangs, long_hair, looking_at_viewer, lying, multiple_girls, on_back, on_bed, open_mouth, panties, pointy_ears, red_eyes, saeki_touma, side-tie_bikini_bottom, side-tie_panties, sidelocks, skin_fang, small_breasts, smile, swimsuit, two_side_up, underwear, underwear_only, upier_(age_of_ishtaria), white_bikini, white_bra, white_hair, white_panties, wings, yuri