1girl, arknights, armpits, arms_up, black_choker, blush, breasts, burnt_clothes, choker, cirnos, closed_mouth, collarbone, criss-cross_halter, day, detached_sleeves, hair_ornament, hair_spread_out, halterneck, horns, large_breasts, long_hair, long_sleeves, lying, official_alternate_costume, on_back, on_ground, outdoors, own_hands_together, purple_eyes, red_hair, sand, smile, solo, star_(symbol), star_hair_ornament, sunlight, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit_cover-up, upper_body, very_long_hair