1girl, arknights, arm_cutout, bad_pixiv_id, bikini, black_bikini, black_choker, blush, breasts, choker, cleavage, cowboy_shot, criss-cross_halter, demon_horns, detached_sleeves, fanteam, frilled_sleeves, frills, gradient_background, hair_intakes, hair_rings, halterneck, horns, large_breasts, long_hair, looking_at_viewer, navel, official_alternate_costume, parted_lips, purple_eyes, red_hair, simple_background, skindentation, solo, standing, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_strap, very_long_hair, yellow_background