neptune illust, kisaki (blue archive), blue archive, highres, 1girl, alternate costume, black boots, black choker, black gloves, black hair, black shirt, boots, choker, double bun, earphones, earrings, fingerless gloves, fishnet gloves, fishnets, gloves, grey eyes, grey halo, hair bun, halo, jewelry, knee boots, lace-up boots, long hair, looking at viewer, necklace, o-ring, o-ring thigh strap, plaid clothes, plaid skirt, platform boots, print shirt, razor blade, razor blade necklace, red skirt, shirt, single thighhigh, skirt, solo, thigh strap, thighhighs, twintails, white background