10s, 1girl, barefoot, blonde_hair, cherry_blossoms, eraser, feet, female_focus, inkwell, kusano_houki, legs, long_hair, necktie, nib_pen_\(object\), official_art, paper, pen, pencil, petals, red_eyes, ruler, sakura-sou_no_pet_na_kanojo, school_uniform, shiina_mashiro, sitting, solo, toenails, toes, tombow_mono