kamitosayu, professor niyaniya (blue archive), blue archive, highres, 1girl, alternate costume, alternate hairstyle, bare arms, bare legs, black dress, black panties, black shoes, blonde hair, blush, breasts, china dress, chinese clothes, cleavage cutout, closed mouth, clothing cutout, diamond cutout, dot nose, dress, full body, green eyes, hair between eyes, hair over shoulder, halo, hand on own hip, hand up, high heels, leaning forward, loli, long hair, looking at viewer, navel, panties, pelvic curtain, ponytail, salute, see-through clothes, see-through dress, shoes, sidelocks, simple background, sleeveless, sleeveless dress, small breasts, solo, split mouth, standing, thighs, underwear, very long hair, white background, yellow halo