koseikogani, kanna (blue archive), kanna (swimsuit) (blue archive), blue archive, commentary request, highres, 1girl, animal ear fluff, animal ears, aqua background, blonde hair, blue eyes, blue halo, blue jacket, breasts, breasts apart, competition swimsuit, covered navel, dog ears, dog girl, extra ears, gradient background, hair over one eye, halo, highleg, highleg one-piece swimsuit, holding, holding whistle, jacket, large breasts, long hair, looking at viewer, notched ear, official alternate costume, one-piece swimsuit, open clothes, open jacket, ponytail, solo, swimsuit, whistle, white one-piece swimsuit