1girl, arknights, bare_shoulders, bikini, blue_sky, breasts, cleavage, cloud, day, detached_sleeves, feet_out_of_frame, hand_in_own_hair, hand_up, horns, long_hair, long_sleeves, looking_at_viewer, navel, ocean, official_alternate_costume, outdoors, purple_eyes, red_hair, red_lips, side-tie_bikini_bottom, sky, small_breasts, smile, solo, standing, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, thighs, very_long_hair, water, yiran