Shinzaburo's lines include "as Gohei NAMIKI wrote in Godairiki the line of 'No love exists for geisha girls and their loves are for treasures,'" which is a material known in the kabuki world, and this suggests that Shinshichi was conscious of "Godairiki."
新三郎の科白に「五大力のせりふにも妓女に恋なし、宝を以って恋とすと、並木五瓶が書いた通り」という内輪ネタがあり、新七が『五大力』を意識して書いたことが窺われる。