<P> Natsume Yūjin - chō is a Japanese anime television series based on the manga series Natsume's Book of Friends by Yuki Midorikawa . The first anime series was produced by Brain's Base under the direction of Takahiro Omori . It was broadcast on the TV Tokyo network in two seasons of 13 episodes each, the first from July 7 to September 29, 2008 and the second, called Zoku Natsume Yūjin - chō (続 夏目 友人 帳, Natsume's Book of Friends Continued), from January 5 to March 30, 2009 . </P> <P> For the first season, the opening theme was "Issei no Sei" (一斉 の 声, "Simultaneous Voice") by Shūhei Kita, and the ending theme was "Natsu Yūzora" (夏 夕空, "Summer Evening Sky") by Kousuke Atari . </P>

How many seasons of natsume yuujinchou are there