on May 16, 2014. Anime A fifty-episode anime television series adaptation by TMS Entertainment was broadcast on TV Tokyo from October 7, 2006, to September 29, 2007. The first opening theme for episodes 1–25 is "Be Strong", performed by Kana Yazumi, and the second opening theme for episodes 26–50 is , performed by Diva × Diva (Miho Morikawa with Akira Asakura). The series first ending theme for episodes 1–15 is , performed by Issei Eguchi. The second ending theme for episodes 16–25 is "Catch Your Dream", performed by Joanna Koike. The third ending theme for episodes 26–45 is "Run Over", performed by Joanna Koike. The fourth ending theme for episodes 46–49 is is performed by Sakura. The series' last episode uses the first opening theme "Be Strong" by Kana Yazumi as ending theme. In North America the series was licensed by Funimation in May 2008. The series was broadcast on Funimation Channel. The rights to the series expired in 2018. In December 2020, Discotek Media announced that they had licensed the anime television series and it will have an upscale release slated for 2021. The series returned to Funimation's streaming service in May 2021. Crunchyroll added the series to their catalog in September 2021. Original video animation A 11-episode original video animation (OVA) series produced by Brain's Base started on March 14, 2012. The story continues from the Ragnarok Arc entering the Yomi arc. The 2nd OVA episode, featuring later story in the Yomi arc, was released on June 18, 2012. The 3rd OVA episode was released on November 16, 2012. The 4th and 5th OVA episodes were released on September 16, 2013. The 6th and 7th OVA episodes were released on November 18, 2013. The 8th and 9th OVA episodes were released on February 14, 2014. The 10th and 11th OVA episodes were released on May 16, 2014. The main cast for the OVA series is the same from those of the anime series except for Rie Kugimiya who replaced the late Tomoko Kawakami as Miu and Yuzuru Fujimoto who replaced the late Hiroshi Arikawa as her grandfather Hayato. The episodes aired in Japan in 2014 on Tokyo MX and BS11, with the title . Iori Nomizu performed the opening theme "Wish" (for episodes 4–9) and the ending themes "Glory Days" (for episodes 1–3) and "Breathless" (for episodes 4–9). During its television broadcast, the series featured the opening theme