Also known as: 太鼓鐘貞宗
Personifiation of the sword Taikogane in Touken Ranbu. One of the many swords Date Masamune (Real Life) handled over his lifetime, including Shokudaikiri Mitsutada, Ookurikara, and Tsurumaru Kuninaga.
In-game, he has a close relationship with Mitsutada, whom calls him "Sada-chan" (in turn he's referred to as "Micchan"). He's characterized as proud, and is very conscious of his looks in the Citadel and in battle, to the point where he gets angry if anything happens to his outfit.