1girl, arknights, beach, bikini, black_bikini, blue_hair, blush, breasts, ch'en_(arknights), ch'en_the_holungday_(arknights), ch'en_the_holungday_(elite_ii)_(arknights), dragon_girl, dragon_horns, dragon_tail, flower, hair_flower, hair_ornament, hibiscus, horns, long_hair, looking_at_viewer, navel, official_alternate_costume, one_eye_closed, outdoors, red_eyes, rhodes_island_logo, sidelocks, smile, solo, swimsuit, tail, teeth, yokaze_(yokajie)