io9, aris (blue archive), blue archive, duplicate, highres, 1girl, absurdly long hair, black hair, black hairband, blue eyes, collared shirt, dot nose, facing to the side, feet out of frame, green halo, hairband, halo, light blush, long hair, long sleeves, looking at viewer, necktie, parted bangs, parted lips, pleated skirt, rectangular halo, ringed eyes, school uniform, shirt, shirt tucked in, side ponytail, sitting, sitting sideways, skirt, solo, thighs, very long hair, white sleeves