1girl, arknights, bangs, bare arms, bare shoulders, baseball cap, beach, bikini, blue bikini, blue hair, blue sky, breasts, ch'en (arknights), ch'en the holungday (arknights), cleavage, cloud, day, dragon horns, dragon tail, folded ponytail, grey shorts, hair between eyes, hand up, hat, holding, holding clothes, holding hat, horns, large breasts, leaning forward, long hair, looking at viewer, micro shorts, natoriusu sansei, navel, red eyes, shorts, sky, smile, solo, standing, stomach, swimsuit, tail, thighs