Boruto: Two Blue Vortex chapter 13 was incredibly exciting for the fans, as it revealed a lot of information about the Shinju and, at the same time, the former Kara member Kashin Koji as well. In fact, Koji was the glue in this chapter, and he finally explained a lot of things to the readers, such as the special power that he possesses, why he sought out Boruto, and above all, what his ultimate goal is.