Kokology is the study of kokoro (Japanese: 心) 'mind or spirit', introduced in the Kokology book series by Tadahiko Nagao and Isamu Saito,[1] a professor at Rissho and Waseda Universities in Japan and an author of a number of bestselling books regarding psychology and relationships.
The books present a series of psychological and hypothetical[2] questions that are designed to reveal one's hidden attitudes about sex, family, love, work, and other elements of one's life.
It is essentially a game of self-discovery that can provide interesting, and often hilarious insight by answering questions to seemingly innocent topics.
The television series ran on Saturdays it was only aired in one city broadcast time 22:00 to 22:54 (54 minutes) Video games were released based on the show by Sega and Tecmo.
The Cube is a Kokology game about self knowledge and is played by asking a person to imagine and describe a set of three to five objects.