Kotaro Tanimura is 22 years old. He is smart enough to have graduated early with a MBA from the University of Cambridge in England. Afterwards, Kotaro Tanimura returns to Japan. He gets a job at a toy company. Kotaro Tanimura is ambitious and enthusiastic with his work. He must deal with fools and he tries to deal with them without fighting. (Source: AsianWiki) ~~Based on self-help book "Atama ni Kitemo Aho towa Tatakauna" by Kotaro Tamura.