1girl, c, arknights, bare_shoulders, blush, breasts, choker, cleavage, closed_mouth, criss-cross_halter, detached_sleeves, halterneck, horns, long_hair, medium_breasts, purple_eyes, red_hair, signature, single_hair_ring, sketch, solo, songchuan_li, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit_cover-up, upper_body, v_arms