2girls, ahoge, alternate costume, animal ear fluff, animal ears, arknights, ass, bangs, bikini, black bikini, blonde hair, blue bikini, blue choker, blue eyes, blue hairband, blue sky, blush, braid, breasts, chestnut mouth, chinese commentary, choker, cloud, cloudy sky, collarbone, day, detached sleeves, extra ears, feet out of frame, fox ears, fox girl, fox tail, frilled bikini, frills, from behind, green eyes, hair between eyes, hair intakes, hair ornament, hair over shoulder, hairband, hairclip, hehehzb, holding hands, looking at viewer, looking back, medium hair, multicolored hair, multiple girls, multiple tails, navel, ocean, off-shoulder bikini, off shoulder, official alternate costume, open mouth, outdoors, partially underwater shot, plaid, plaid bikini, purple hair, sidelocks, sky, small breasts, standing, sussurro (arknights), sussurro (summer flowers) (arknights), suzuran (arknights), swimsuit, tail, tail raised, thighhighs, twin braids, twintails, two-tone hair, wading, water, wet, white hair, wristband