The genius boy Kuchiki Hakuha, the second son of the Kuchiki family, the head of the four nobles, is the younger brother of Byakuya Kuchiki, the captain of the Gotei Thirteenth and Sixth Division, the captain of the Second Division, the commander-in-chief of the Secret Mobile Team, and the commander of the Criminal Army General Corps. Kuchiki Shirayu is a person with memories of two lives.
Because of the quarrel with Toshiro, he still left the team duties to Zaifeng, relying on old man Yamamoto's indulgence and love for him to take a vacation in this world. In this world, he met a girl named Xiu Asakawa.