k0a, kazusa (blue archive), kazusa (halloween) (blue archive), blue archive, absurdres, commentary request, highres, 1girl, animal ears, bare shoulders, black claws, black gloves, black hair, black shirt, black skirt, black tail, blush, breasts, cat ears, colored inner animal ears, colored inner hair, elbow gloves, extra ears, fake claws, fur-trimmed gloves, fur-trimmed socks, fur scarf, fur sleeves, fur trim, gloves, halloween costume, halo, looking at viewer, medium breasts, multicolored hair, nose blush, open mouth, pink eyes, pink hair, pink halo, shirt, short hair, simple background, skirt, solo, torn clothes, torn skirt, underboob, werewolf costume, white background