Kurama and Narco are one now.
That means that their chakra is no longer separate.
That means Kurama has no way of breaking Naruto out of genjutsu now.
That means Kurama gets caught too.
We saw this in the last. It's why Sakura>Naruto in genjutsu as stated by Shikamaru.
Naruto/Kurama was caught in genjutsu for a long time and couldn't get out if it wasn't for Sakura.
Therefore, genjutsu 1shots Naruto.
That means that their chakra is no longer separate.
That means Kurama has no way of breaking Naruto out of genjutsu now.
That means Kurama gets caught too.
We saw this in the last. It's why Sakura>Naruto in genjutsu as stated by Shikamaru.
Naruto/Kurama was caught in genjutsu for a long time and couldn't get out if it wasn't for Sakura.
Therefore, genjutsu 1shots Naruto.