Since he was a child, Takashi Natsume is in possession of a strong spiritual force and is able to see the Yokai (spirits from Japanese folklore), a power inherited from his grandmother Reiko. A power that has always been the cause of problems for him: he was a boy orphaned, Natsume has been assigned to various relatives, who regarded him as a liar looking for attention and a difficult child to manage, because of the stories he told and which nobody believed. Even among his peers was considered a liar.
At fifteen he was assigned to Fujiwara, a couple with no children of his distant relatives who live in the birthplace of my grandmother Reiko and willingly accept the boy, who does not cause problems for the two decided to conceal his abilities and do not tell anything about yōkai.