When Hideyoshi's subordinates distinguished themselves in a war, Hideyoshi used to grant tea ceremony utensils evaluated by SEN no Rikyu for them as incentive award at the beginning, however, later, since he came to grant Noh masks as their award, a lot of Noh masks which had added value were required, and for these reasons, the title 'Tenka ichi' was given to Yoshimitsu Zekan DEME.
「天下一」の称号は、秀吉が部下の武将の戦功の際、当初は千利休に鑑定させた茶器を与えていたが、のちには能面を賞として与えるようになったため、付加価値のある多数の面を必要としたためでもあった。