Is Isshiki a Jiraiya?

Is Isshiki a Jiraiya?

Isshiki began shrinking various targets around him, forcing Koji to dodge. Ultimately, Isshiki's assault destroyed Koji's mask, revealing him as a clone of Jiraiya created by Amado.

Is Koji Jiraiya's son?

Now that Kashin Koji is going head-to-head with Jigen (otherwise known as the vessel of Isshiki Otsutsuki), it was only a matter of time before Boruto's secret was unraveled and, sure enough, chapter 47 shockingly confirmed that Kashin Koji was a clone of Jiraiya.