1girl, alternate costume, ambience synesthesia, arknights, arm tattoo, black jacket, black necktie, clenched teeth, collared shirt, colored skin, crop top, cropped shirt, dragon horns, fangs, glasses, grin, hand up, horns, jacket, lapels, long hair, long sleeves, looking at viewer, multicolored hair, necktie, nian (arknights), open clothes, open jacket, pointy ears, ponytail, purple eyes, red hair, red shirt, red skin, shirt, simple background, smile, solo, streaked hair, tattoo, teeth, tochi (tochitochi2523), v-shaped eyebrows, white background, white hair