1girl, arknights, armpits, arms_up, bare_arms, bare_shoulders, basashisenjumin, bikini, blue_bikini, blue_hair, breasts, ch'en_(arknights), ch'en_the_holungday_(arknights), ch'en_the_holungday_(elite_ii)_(arknights), cowboy_shot, dragon_horns, flower, grey_shorts, hair_between_eyes, hair_flower, hair_ornament, hands_in_hair, horns, long_hair, looking_at_viewer, micro_shorts, navel, open_fly, red_eyes, red_flower, shorts, simple_background, solo, standing, stomach, swimsuit, thighs, very_long_hair, white_background