"Toji" master brewer Tsuji Makiko sprinkles koji spores on steamed rice. Tsuji Honten Sake, Katsuyama town, Okayama Prefecture, Japan, February 1, 2014. Tsuji Honten was founded in 1804 and has been at the cultural centre of the town of Katsuyama for over two centuries. 34-year-old Tsuji Soichiro is the 7th generation brewery owner. His elder sister, Tsuji Maiko, is the "toji" master brewer.