kazusa (blue archive), kazusa (halloween) (blue archive), blue archive, absurdres, commentary, highres, 1girl, all fours, animal costume, animal ears, ass, back, bare legs, barefoot, black gloves, black hair, black panties, black shirt, black skirt, blunt bangs, blush, bob cut, cameltoe, cat ears, cat girl, claw pose, colored inner animal ears, colored inner hair, extra ears, eyes visible through hair, fake claws, fake tail, fang, feet, from behind, full body, fur-trimmed gloves, fur-trimmed shirt, fur trim, gloves, hair behind ear, halloween, halloween costume, halo, looking at viewer, looking back, miniskirt, multicolored hair, official alternate costume, open mouth, orange background, panties, pantoking, pink hair, pink halo, red eyes, shirt, short hair, simple background, skirt, sleeveless, sleeveless shirt, slit pupils, soles, solo, tail, teeth, thighs, underwear, upper teeth only, v-shaped eyebrows, wolf costume, wolf tail