1girl, alternate_costume, arknights, arm_behind_back, arms_behind_back, bad_pixiv_id, bare_arms, bare_shoulders, beach, bikini, blue_bikini, blue_sky, breasts, brown_eyes, brown_hair, cleavage, cloud, collarbone, cowboy_shot, day, glasses, hair_between_eyes, looking_at_viewer, medium_breasts, navel, outdoors, short_hair, silence_(arknights), sky, solo, sparkle, standing, stomach, swimsuit, thighs, twitter_username, water, yokaze_(yokajie)