1girl, bare_legs, black_shirt, blue_archive, blue_eyes, blue_hair, blue_jacket, blurry, blurry_background, blush, breasts, buruma, chair, crossed_legs, depth_of_field, gym_shirt, gym_uniform, halo, holding, indoors, jacket, kurofude_anna, long_hair, long_sleeves, medium_breasts, official_alternate_costume, on_chair, open_clothes, open_jacket, partially_unzipped, pen, ponytail, shirt, shorts, sidelocks, signature, sitting, solo, tablet_pc, thighs, track_jacket, watermark, yuuka_(blue_archive), yuuka_(track)_(blue_archive)