Aside from two books, a number of doujinshi was also made in the early nineties.
However, the manga does not follow the tv series like; Yattarō is still in love with Omitsu instead of Pururun. Kitsunezuka Ko'on-no-Kami and 'Karasu Gennarisai never left Edoropolis at the end of the series instead the two still want to take over the city. The manga book showed what if Kitsunezuka Ko'on-no-Kami and 'Karasu Gennarisai never left Edoropolis.
The manga showed the what if story. The manga is different from the KNT tv series. The creator stated that it's really non-canon.