An ordinary boy has an unbreakable bond with monsters because of a monster contact book. Is it a blessing or a curse?
At what point do the lines of fate get entangled, and where do they go from here?
Out of love comes hatred, out of love comes fear. Is their feeling love or hate?
A fan story extended from Midorikawa Yuki's anime "Natsume's Book of Friends", telling you the story of Ba and Natsume.
(The ages of the characters in the article are different from those in the original work)