Thirty years after that, at the age of 71 Nanboku entered his most productive era and wrote this play by mixing elements of "Kanadehon Chushingura" and of "Tokaido Yotsuya Kaidan" into "Godairiki Koi no Fujime" that had been already famous as a masterpiece.
それから30年後、南北、71歳のとき、最も精力的に活躍した時代に、名作と名高かった『五大力恋緘』に『仮名手本忠臣蔵』、『東海道四谷怪談』を混ぜ合わせた作品として書いた。