Yoichi karasuma has spent all of his life in the mountains, honing his skills in the soaring wind, divine wind swordsmanship style under his father's guidance. at age 17, he mastered the technique. with nothing left to learn, yoichi is sent to a new dojo located in the city to continue training and gain an understanding of modern society. however, due to his lack of experience with contemporary customs and language, yoichi struggles to interact with others and behaves like a traditional samurai. the anime series asu no yoichi! follows yoichi as he navigates his new life in the city and tries to adapt to modern ways while living with the ikaruga sisters at their dojo.