renka (renxka), ch'en (arknights), ch'en (summer) (arknights), arknights, commentary request, highres, 1girl, baseball cap, bikini, bikini under clothes, black bikini, black shorts, blue hair, border, clothes writing, cowboy shot, dragon girl, dragon horns, folded ponytail, hair between eyes, hand on headwear, hat, horns, horns through headwear, long hair, looking at viewer, micro shorts, navel, outside border, red eyes, shorts, simple background, solo, swimsuit, thighs, wet, white border, white hat