Moreover, the resemblance to the Chinese classical books ("History of the Later Han Dynasty," "Bai-Shi Wen Ji," and so on) has been pointed out by many people, so the tale seems to have been affected by these books.
このほか、中国の典籍（『後漢書』『白氏文集』など）との類似点も多数指摘されており、これらの影響を受けていると考えられている。