Umeko's childhood friend. Naka-san. Naka-san is a very kind man. Before he became a sumo wrestler, he trained for a long time at a sushi restaurant to become an itamae (chef). You never know where the turning point in your life will come. ウメコの幼馴染。ナカさん。とっても優しいナカさん。お相撲さんになる前は、板前を目指してお寿司屋さんで長いこと修行していたらしいよ。人生どこで転機が来るかは知る由もなし。