1girl, arknights, bare_arms, bare_shoulders, bead_bracelet, beads, bracelet, breasts, chair, china_dress, chinese_clothes, dress, feet_out_of_frame, hands_up, happy_birthday, helandyck, horns, jewelry, long_hair, looking_at_viewer, medium_breasts, multicolored_hair, nian_(arknights), nian_(unfettered_freedom)_(arknights), official_alternate_costume, purple_eyes, red_hair, sitting, sleeveless, sleeveless_dress, smile, solo, streaked_hair, tail, thighs, tongue, tongue_out, white_dress, white_hair