riel (rielilu), kazusa (blue archive), blue archive, absurdres, highres, 1girl, alternate costume, animal ears, armpits, arms behind head, arms up, black hair, black one-piece swimsuit, breasts, cat ears, cat girl, colored inner hair, covered navel, cowboy shot, extra ears, halo, light blush, medium breasts, multicolored hair, one-piece swimsuit, parted lips, pink hair, pink halo, red eyes, short hair, simple background, solo, standing, swimsuit, thighs, two-tone hair, wet, white background