Nagasone Kotetsu

A uchigatana rumored to be a forgery of the work of Kotetsu—a swordsmith active during the Edo period. It is indisputably a blade of exceptional strength, as attested by its former owner—the Shinsengumi Commander, Isami Kondo—who recounted that it neither broke nor bent, even after enduring the fierce battle of the Ikedaya Incident.

Possessing a robust physique and an easygoing nature, he nonetheless reveals a strict side when it comes to his own role and conduct as a sword.