Shūtetsu Nagamoso

is a coach Zanjutsu as well as members 10th Division which trains basic sword techniques to Hitsugaya who has lost Bankai.

Appearance
he had the appearance of an old man with black hair on the sides of his head, and was bald on top have eyebrows and a thick black mustache, he wore the standard Shinigami uniform.

Personality
Nagamoso look serious when teaching Zanjutsu he coached the Shinigami seriously, he also seemed to have an attitude of discipline when snapped two Shinigami who chatted about their captain Hitsugaya.

The Thousand-Year Blood War arc
After Wandenreich retreated after the first invasion, the captain who then began to practice for the next battle, Nagamoso then first seen in the area 10th Division he was seen being taught some beginner Shinigami on Zanjutsu, he then heard two Shinigami that they talk and talk doubting their captain Hitsugaya who had lost Bankai, look at the attitude of his discipline Nagamoso then scold Two Shinigami before, and shortly after Hitsugaya then met her, with spontaneous Hitsugaya come over there to the end that Nagamoso practice basic sword techniques, though a little surprised, but he immediately accepted.

Trivia
His name was revealed in Omake Volume 60.