1girl, aircell, animal_ears, bell, black_bra, black_hair, black_panties, black_thighhighs, blush, bra, breasts, cat_ears, cat_tail, cleavage, closed_eyes, hair_between_eyes, honkai_(series), honkai_impact_3rd, indoors, jingle_bell, large_breasts, lying, multicolored_hair, navel, neck_bell, on_side, open_mouth, panties, pillow, red_hair, red_nails, seele_(alter_ego), seele_vollerei, single_thighhigh, solo, tail, thigh_strap, thighhighs, two-tone_hair, underwear