onakkasuita, mika (blue archive), mika (swimsuit) (blue archive), nagisa (blue archive), nagisa (swimsuit) (blue archive), seia (blue archive), seia (swimsuit) (blue archive), blue archive, highres, 3girls, animal ears, beach, black one-piece swimsuit, blonde hair, breasts, fox ears, halo, holding, large breasts, looking at viewer, multiple girls, official alternate costume, one-piece swimsuit, outdoors, pink hair, small breasts, smile, swimsuit, tea party (blue archive), white one-piece swimsuit