rio (blue archive), blue archive, game asset, highres, official art, third-party source, 1girl, belt, belt buckle, black belt, black boots, black coat, black gloves, black hair, black halo, black pantyhose, boots, breasts, bright pupils, buckle, coat, colored inner hair, full body, gloves, gradient hair, grey hair, hair behind ear, hair ornament, hairclip, halo, hand in pocket, holding, holding tablet pc, large breasts, long hair, long sleeves, looking at viewer, millennium science school logo, multicolored hair, multicolored halo, official alternate costume, pantyhose, parted lips, red eyes, red halo, ringed eyes, simple background, solo, standing, sweater, tablet pc, tachi-e, transparent background, turtleneck, turtleneck sweater, two-tone halo, very long hair, white pupils, white sweater