2girls, akechi_(826988799), ambience_synesthesia, animal_ears, arknights, bird_girl, bite_mark, black_nails, blush, braid, braided_ponytail, feather_hair, fiammetta_(arknights), fingerless_gloves, gloves, hand_on_another's_back, jewelry, long_hair, looking_at_another, looking_down, multiple_girls, nail_polish, official_alternate_costume, pants, penance_(arknights), red_eyes, red_hair, ring, skirt, strapless, suspenders, tail, tube_top, weibo_username, white_background, wolf_ears, wolf_girl, wolf_tail, wristband, yuri