1girl, :d, birthday, black eyes, black hair, black neckerchief, black socks, blunt ends, blush, bob cut, breasts, character name, collarbone, dated, dress shirt, english text, feet out of frame, green skirt, hands up, happy birthday, head tilt, kneehighs, knees together feet apart, long sleeves, looking at viewer, medium breasts, miniskirt, mixed-language text, neckerchief, notice lines, ooarai school uniform, open mouth, pleated skirt, sailor collar, school uniform, serafuku, shirt, short hair, simple background, skirt, smile, socks, solo, spread fingers, standing, thigh gap, white background, white sailor collar, white shirt