1girl, ahoge, blonde_hair, blue_hair, blue_neckwear, blush, eyebrows_visible_through_hair, fang, hair_between_eyes, hat, long_hair, looking_at_viewer, multicolored_hair, neckerchief, one-hour_drawing_challenge, open_mouth, red_eyes, sailor_collar, sailor_hat, school_uniform, serafuku, shirt, simple_background, sleeveless, sleeveless_shirt, solo, twitter_username, undershirt, white_background