The kabuki-mono (the crazy ones, dandy), who followed their master to the grave with the moral tone of bushi during the Sengoku period, were forbidden for the maintenance of public order during the generation of Ietsuna TOKUGAWA and the Edo bakufu authorized Shushigaku (Neo-Confucianism) of Confucianism as public scholarship and thus the bushi should emphasize the faith, justice and loyalty and behave nobly.
戦国の武士の気風を受け継ぎ殉死などを行なうかぶき者を公秩序維持のため徳川家綱の代に禁止し、江戸幕府が、儒教の朱子学を公の学問としたため、信・義・忠を重んじ、気高い振る舞いを行なうのが武士であるとされた。