Goodness Gracious Nantomo!

The Iyahaya family, one of Japan's most prominent conglomerates based in Iyahate Prefecture, has decided to take care of a relative named Nantomo while his parents are transferred overseas. Iyahaya Sayoko can't help but be curious about her relative's boy of the same age. In the meantime, a boy in a tattered coat appears before Sayoko's eyes, a poorly dressed eccentric person who eats their dog's food. When she asked him what his name was, he said, "Iyahaya Nantomo (Oh no... Not at all...)"- how unclear. Sayoko and her grandmother hurriedly invited him into their house, convinced that he was their relative, Nantomo. Even though he is not Nantomo, the head of the Iyahaya family, Totetsumo, decides to keep the poor, mysterious boy as Nantomo and sends him to Kenkin school, the same school as...