1girl, arknights, barefoot, beach, bikini, black_bikini, breasts, cherry, cleavage, day, demon_girl, demon_horns, dpea9, feet, food, fruit, halterneck, horns, large_breasts, legs, long_hair, looking_at_viewer, ocean, official_alternate_costume, one_eye_closed, open_mouth, outdoors, purple_eyes, red_hair, sand, side-tie_bikini_bottom, sitting, soles, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_strap, toes, tongue, tongue_out