masute, aris (blue archive), blue archive, highres, 1girl, black hair, black skirt, black socks, blue eyes, blue halo, blue necktie, blush, bright pupils, closed mouth, crossed ankles, crt, feet up, full body, hair between eyes, halo, hands on own face, head on hands, head rest, heart, indoors, jacket, long hair, long hair between eyes, long sleeves, looking at viewer, loosely tucked bangs, lying, necktie, no shoes, on stomach, one side up, open clothes, open jacket, pleated skirt, rectangular halo, ringed eyes, school uniform, shirt, sketch, skirt, socks, solo, the pose, white jacket, white pupils, white shirt