1girl, ahoge, artist_name, black_thighhighs, blush, hair_ornament, halo, milk_carton, neckerchief, open_mouth, pink_hair, red_neckerchief, school_uniform, shield, side_ponytail, simple_background, sleeves_past_wrists, solo, thighhighs, waving, white_background, zettai_ryouiki, natsu_(blue_archive), blue_archive, year_2021, 