As his tactics that excelled at present-day guerrilla warfare became prevalent as military science of Kusunoki-ryu style in the Edo period, Shosetsu YUI, a disciple of Masatatsu KUSUNOKI (Fuden KUSUNOKI), who claimed descent from Masashige, also taught the military science of Nagi-ryu style.
今日でいうゲリラ戦的戦法を得意とした正成の戦法は、江戸時代に楠木流の軍学として流行し、正成の末裔と称した楠木正辰（楠木不伝）の弟子だった由井正雪も南木流軍学を講じていた。