1girl, alternate_eye_color, arknights, arm_up, bare_shoulders, bikini, breasts, cleavage, cloud, criss-cross_halter, day, hair_between_eyes, halterneck, hammock, horns, long_hair, looking_at_viewer, medium_breasts, navel, official_alternate_costume, outdoors, red_eyes, red_hair, shortcake_(tunesofmysummer), sitting, solo, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thighs, very_long_hair