The plot might revolve around Ichigo's adjustment to the Youkai Academy environment. Given his godlike state, he may have a different perspective on the youkai world. He could use his powers to help the academy during a crisis, like an attack from a powerful outside force. At the same time, he might learn more about the youkai culture and how it differs from his own world.
Well, it could be about Ichigo, with his godlike powers, entering Youkai Academy and facing various challenges there. Maybe he has to hide his true nature from the other students, who are mostly youkai. He might also get involved in some power struggles within the academy.
One potential ally could be a friendly youkai student who is intrigued by Ichigo's godlike powers. Maybe someone who is an outcast among the youkai and sees Ichigo as a kindred spirit.
Well, in this fanfiction, Naruto's godlike status would likely change the power dynamics at Youkai Academy. He might end up making friends with some of the outcast youkai because of his strong sense of justice. And he could be a target for those who want to steal his powers or prove themselves stronger. Maybe he has to participate in some sort of tournament or trial at the academy to show his worth and also to protect the place from an external threat.
Well, Ichigo might have all kinds of crazy adventures at Yokai Academy. He could use his godlike powers to deal with the various yokai there, maybe make some unlikely friends among the yokai students, or face off against powerful yokai villains.
Perhaps some of the less powerful youkai who are often bullied could become his allies. They would see Naruto as a protector and someone who can stand up to the stronger, meaner youkai.
Well, it could be about Ichigo facing challenges in the Shinigami Academy. Maybe he has trouble with the combat training or making friends at first. He might also discover some hidden secrets within the academy.
There could be some of the more benevolent yokai who see Ichigo as a potential ally. For example, the werewolf Koga might recognize Ichigo's strength and see an opportunity to team up with him against common enemies. Maybe even some of the teachers at the academy who are tired of the chaos and power plays could join forces with Ichigo.
One possible interesting plot could be that Ichigo and his friends from Bleach end up in Youkai Academy by some sort of strange Hollow - Youkai related phenomenon. They then have to navigate the complex social and power structures of the academy while also dealing with their own Hollow - slaying duties. For example, they might encounter a powerful Youkai that has a connection to a Hollow and they need to figure out how to stop it without causing chaos in the academy.
One possible plot could be a new student from the Emiya clan arriving at the Youkai Academy. This student has a unique power that no one has seen before. The other students are both curious and a bit intimidated. As the story progresses, the new student has to face challenges in classes that are specifically designed for youkai skills, like shape - shifting combat or magic spellcasting. Along the way, they make friends with some unlikely youkai and together they uncover a mystery about the academy's past that threatens its present.
Renji could be a key character. He could be a senior student who at first is a bit tough on Ichigo but later becomes a mentor. Orihime could also be there, and she might be in the same class as Ichigo, providing some emotional support and her own unique skills in the academy setting.
One possible plot could be that Naruto, seeking to gain new powers, somehow ends up in Ichigo's world. Ichigo, seeing Naruto's potential, decides to train him. Naruto then has to adapt to Ichigo's training methods which are different from what he's used to in Konoha. As he trains, he starts to combine his ninja techniques with Ichigo's Soul Reaper powers, becoming a truly godlike figure.