Webwhat was kokushibo, the upper moon 1’s relationship with his brother? In the sengoku era nearly five centuries ago, kokushibo, originally michikatsu tsugikuni, was a human. Webit really amazes me how kokushibo and yorichi have such intriguing parallels and symbolism as characters. Kokushibo's use of moon breathing symbolizes his perpetual. Webyoriichi expressed his regret that he had to now slay his own brother and outclassed kokushibi utterly. In fact, yoriichi was so much stronger that he slit his. Webunearth the mysteries of the moon breathing techniques in demon slayer. Dive into the unique combat style of kokushibo, learn about the 16 powerful forms. Webbefore becoming a demon, he was called michikatsu tsugikuni and was part of the demon slayer corps. He was one of the first breath users and is yoriichi tsugikuni’s. Webin his human life, kokushibo was jealous of his brother's tremendous powers. But he still had a great love for your younger brother and cried his heart out. Websanemi is overwhelmed by the sheer number and ferocity of kokushibo's moon breathing forms, losing two fingers from a tiny lapse in focus, and he was only rescued by the. Webthe sensation disturbs kokushibo, who is reminded of an encounter from 400 years ago in which he met his younger brother, yoriichi, after not having seen him for 60 years.