1girl, ahoge, asphyxia17, blue_eyes, blue_necktie, bright_pupils, long_hair, long_sleeves, necktie, open_mouth, original, pleated_skirt, sailor_collar, school_uniform, serafuku, shirt, sidelocks, simple_background, sitting, skirt, smile, solo, tentacle_hair, very_long_hair, white_background, white_pupils, white_sailor_collar, white_serafuku, white_shirt, white_skirt