1girl, arknights, arm_up, armband, ass, bare_shoulders, beach, beach_umbrella, between_breasts, bikini, black_bikini, blue_sky, bracelet, breasts, cloud, collarbone, day, drinking, green_hair, hair_between_eyes, horns, hoshiguma_(arknights), jewelry, long_hair, looking_at_viewer, makeup, mascara, o-ring, okita_ababa, outdoors, ponytail, ring, sand, sidelocks, single_horn, sitting, sky, soju, solo, strapless, strapless_bikini, swimsuit, table, thigh_strap, thighs, umbrella, water, waves, yellow_eyes