1girl, arknights, arm_up, armpits, bare_arms, bare_shoulders, bikini, blue_bikini, blue_hair, blue_sky, breasts, ch'en_(arknights), ch'en_the_holungday_(arknights), ch'en_the_holungday_(elite_ii)_(arknights), cleavage, cloud, cloudy_sky, collarbone, colored_inner_hair, covering_face, cowboy_shot, day, dragon_girl, dragon_horns, dragon_tail, flower, front-tie_bikini_top, front-tie_top, hair_flower, hair_ornament, halterneck, hand_up, hibiscus, horns, large_breasts, long_hair, looking_at_viewer, micro_shorts, multi-strapped_bikini, multicolored_hair, navel, official_alternate_costume, open_fly, outdoors, red_eyes, red_flower, shorts, sky, smile, solo, stomach, string_bikini, swimsuit, tail, thighs, water, white_shorts, wide_hips, yuzuruka_(bougainvillea)