1girl, bare_legs, barefoot, black_wings, blue_archive, blush, book, feet, foreshortening, halo, head_wings, holding, holding_book, jacket, koharu_(blue_archive), legs, looking_at_viewer, lying, off_shoulder, on_side, pink_eyes, pink_hair, reading, short_shorts, shorts, soles, solo, sweat, tamaguu, toes, twintails, winged_hat, wings