1girl, arms_behind_back, bad_pixiv_id, black_hair, blue_sailor_collar, blue_skirt, blush, collarbone, embarrassed, flat_chest, have_to_pee, heart, looking_at_viewer, momen_102, neckerchief, open_mouth, original, pale_skin, pink_background, pleated_skirt, purple_eyes, raised_eyebrows, red_neckerchief, sailor_collar, school_uniform, serafuku, shirt, short_hair, short_sleeves, sidelocks, skirt, solo, speech_bubble, standing, straight-on, talking, trembling, upper_body, urine_meter, wavy_mouth, white_shirt