atsuko (blue archive), hieronymus (blue archive), saori (blue archive), blue archive, artist request, game cg, highres, non-web source, official art, 2girls, assault rifle, baseball cap, black boots, black hair, black hat, black pants, black shoes, blue halo, boots, bulletproof vest, firing, gun, halo, hat, holding, holding gun, holding rope, holding weapon, hood, hood up, jacket, kneehighs, mask, multiple girls, open clothes, open jacket, pants, purple hair, purple halo, rifle, rope, shoes, socks, submachine gun, weapon, white jacket, white socks