2girls, animal ear fluff, animal ears, bangs, bikini, black bikini, black hair, black one-piece swimsuit, blue archive, blue eyes, breasts, cat ears, cat tail, competition swimsuit, covered navel, cross hair ornament, extra ears, feet out of frame, flat chest, frilled bikini, frills, grey hair, hair ornament, halo, low ponytail, medium breasts, medium hair, mismatched pupils, multicolored clothes, multicolored swimsuit, multiple girls, navel, official alternate costume, onafuku, one-piece swimsuit, red eyes, serika (blue archive), serika (swimsuit) (blue archive), shiroko (blue archive), shiroko (swimsuit) (blue archive), stomach, swimsuit, tail, thighs, twintails