1girl, arl, black_headwear, black_shirt, blue_archive, blush, fingernails, halo, hat, koharu_(blue_archive), long_sleeves, neckerchief, off_shoulder, open_mouth, pink_eyes, pink_hair, pink_neckerchief, pink_skirt, school_uniform, shirt, simple_background, sitting, skirt, solo, twintails, white_background