1girl, :o, black_serafuku, blush, board_eraser, breasts, chalk, collarbone, dirty, dirty_clothes, grey_hair, large_breasts, long_hair, long_sleeves, looking_at_viewer, neckerchief, official_alternate_costume, pleated_skirt, red_eyes, red_neckerchief, school_uniform, serafuku, simple_background, skirt, solo, twintails, very_long_hair, white_background, formidable_(azur_lane), formidable_(the_lover's_heart_flutters_on_duty)_(azur_lane), azur_lane, year_2024, 