realen, kazusa (blue archive), blue archive, absurdres, highres, 1girl, alternate costume, animal ears, arm behind head, artist name, barefoot, bikini, black bikini, black hair, breasts, cat ears, cat girl, character name, colored inner animal ears, colored inner hair, dated, halo, kneeling, large breasts, multicolored hair, navel, pink hair, pink halo, red eyes, short hair, signature, swimsuit, two-tone hair, white background