Kimihiko Onizuka is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called "yakyuken" with one. Kimihiko Onizuka is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called "yakyuken" with one. Kimihiko Onizuka is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called "yakyuken" with one. Kimihiko Onizuka is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called "yakyuken" with one.