sanjou (weekly10), weekly10, marui futaba, marui hitoha, marui mitsuba, 2009 world baseball classic, mitsudomoe (manga), world baseball classic, bad id, bad pixiv id, 3girls, :<, barefoot, baseball, baseball uniform, bike shorts, black eyes, black hair, blonde hair, child, clothes writing, hair bobbles, hair bun, hair ornament, hair ribbon, japan, multiple girls, ponytail, ribbon, shaded face, short twintails, shorts, single hair bun, socks, sportswear, stirrup legwear, toeless legwear, twintails, yellow eyes