 The chapters were collected into 26 "tankōbon" volumes, which were released under Shogakukan's "Tentōmushi Corocoro Comics" imprint in Japan, from March 28, 2008 to September 15, 2017.An anime adaptation produced by Asatsu DK, animated by Shin-Ei Animation, written by Dai Satō, and directed by Yukiyo Teramoto aired in Japan on Tokyo MX from October 6, 2014 to January 5, 2015.The series has also aired on Kids Station since October 16, 2014.