Kokology is the study of kokoro (Japanese: 心) which in the aforementioned language means "mind" or "spirit". The Kokology book series was created by Tadahiko Nagao and Isamu Saito, a professor at Rissho and Waseda Universities in Japan and an author of a number of bestselling books regarding psychology and relationships. The main focus is the analysis of the deep psyche using theories from Freud and Jung. Kokology Questions typically are "guided" Day Dreams or . The television series ran on Saturdays it was only aired in one city broadcast time 22:00 to 22:54 (54 minutes)