D.N. Dream Partners + 13 more, Studio Chizu, Fukuoka Broadcasting System (FBS), Miyagi Television Broadcasting, Toho Company, Ltd., Dentsu, Nippon Television Network Corporation (NTV), Hiroshima Telecasting (HTV), Sapporo Television Broadcasting Company, Shizuoka Daiichi Television, Yomiuri Telecasting Corporation (YTV), VAP, Kadokawa Pictures, Chukyo TV Broadcasting Company
Kyuta, a boy living in Shibuya, and Kumatetsu, a lonesome beast from Jutengai, an imaginary world. One day, Kyuta forays into the imaginary world and, as he's looking for his way back, meets Kumatetsu who becomes his spirit guide. That encounter leads them to many adventures.