1girl, arona (blue archive), solo, desk, skirt, halo, white skirt, cloud, school desk, sky, blue hair, sitting, white footwear, blue eyes, on desk, shoes, multicolored hair, looking at viewer, blue shirt, sailor collar, white choker, smile, braid, white sailor collar, pink hair, sitting on desk, school uniform, pleated skirt, choker, blue sky, open mouth, shirt, cloudy sky, hairband, long sleeves, school chair, midriff peek, colored inner hair, hair over one eye, chair, white hairband, short hair, blue halo, single braid, sneakers, serafuku, ribbon, white ribbon, white bow, bow, bow hairband, light blue hair, two-tone hair