mekarauroko, osamu (jagabata), zerozaki hitoshiki, zerozaki kishishiki, zerozaki magashiki, zerozaki maiori, zerozaki soushiki, ningen series, zaregoto series, highres, 1girl, 4boys, ahoge, armpits, black hair, dark skin, green skirt, grey background, helmet, long sleeves, looking at viewer, multiple boys, pleated skirt, sailor collar, school uniform, serafuku, simple background, skirt, standing, tank top