1girl, arknights, bare_shoulders, bikini, black_bikini, blue_sky, blush, breasts, cleavage, cloud, contrapposto, cowboy_shot, criss-cross_halter, day, detached_sleeves, floating_hair, hair_ornament, halterneck, holding, horns, kyusoukyu, long_hair, long_sleeves, looking_at_viewer, medium_breasts, navel, ocean, official_alternate_costume, one_eye_closed, outdoors, parted_lips, petals, purple_eyes, red_hair, side-tie_bikini_bottom, sky, smile, star_(symbol), star_hair_ornament, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, very_long_hair, wading, water, wind