There could be some original characters created for the fanfiction. For example, a strict but fair teacher who takes a special interest in Ichigo's development. Also, there could be a rival student who has a grudge against Ichigo because he's getting all the attention. And let's not forget about Chad, who could be another student with his own journey of growth and discovery at the Shinigami Academy.
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.
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.
His friends Orihime and Chad would probably be main characters. Orihime could be very motherly towards baby Ichigo, always making sure he's comfortable. Chad would be the strong protector, making sure no harm comes to the baby.
Well, he might make some new and interesting friends. For example, he could meet other characters with unique powers and personalities. He would also have to learn all the rules and regulations of the Shinigami world, which could be quite a challenge for him as he's used to his own way of doing things. And of course, there would be a lot of training involved, which would help him become an even stronger Shinigami.
Uryu could also be a main character. He might be initially skeptical of Ichigo's transformation into a dragon god but then come to respect and even rely on his new powers in battles against common enemies. His Quincy abilities could contrast with Ichigo's dragon god powers, creating interesting interactions between them.
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.
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.
Rukia could be a character. She might come to Ichigo's rescue when she hears about his situation with the tentacles. She could use her own powers to freeze or cut through the tentacles. Another potential character is Uryu. He could use his Quincy skills to disrupt the energy of the tentacles. And there's also Orihime, who might use her shield - like abilities to protect Ichigo from the tentacles.
There could be Byakuya. He would be shocked and disappointed by female Ichigo's betrayal as he might have seen her as a promising comrade. Also, Rukia. Since she and Ichigo have a special bond, her reaction to Ichigo's betrayal would be very emotional. And then there's Aizen. He could be the one who tempted or manipulated female Ichigo into betraying, seeing her as a useful pawn in his grand schemes.
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.
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.