In this fanfiction, Rock Lee could be involved. He would be cheering Sakura on wholeheartedly, and his positive energy might inspire the ANBU members under Sakura's command. Shikamaru, with his strategic mind, could be either an ally or a reluctant supporter. He might question some of Sakura's decisions from a tactical perspective. Additionally, Tsunade could be a background character, her influence on Sakura still lingering, and she could be a source of advice for Sakura when she faces difficult situations as the ANBU commander.
In the fanfiction, perhaps Sakura's journey to becoming ANBU commander starts with a personal quest for more power. She might have witnessed a great threat to the village that made her realize she needed more authority to protect it. So, she undertakes intense training, both physical and mental. Along the way, she discovers new jutsu and forms alliances. When she finally becomes the ANBU commander, she reforms the ANBU unit, making it more efficient and ethical in its operations.
Definitely some of the Akatsuki members. Itachi could be one. He is a complex character with his own motives. His presence could add a lot of mystery to the story as Sakura might try to figure out his true intentions. Another could be Deidara. His explosive personality and love for destruction could create some intense confrontations with Sakura.
Maybe there's a mentor figure in Sakura's life. After Sakura makes a mistake, the mentor could guide her on how to make a proper apology and help her understand the importance of taking responsibility for her actions. This character could add depth to the story by providing wisdom and advice.
Well, Sasuke could be involved. He might be the one who finds Sakura when she's hurt and has to deal with his feelings for her while trying to get her help. Naruto is also a likely character. He could be devastated by Sakura's injury and vow to get revenge on whoever caused it.
The Akatsuki members would be the main ones. It could include Itachi, who is known for his complex character and powerful abilities. His relationship with Sakura could be an interesting aspect, whether it's one of mutual respect or a more adversarial one.
Sasuke is also frequently present. His complex relationship with Sakura can be further explored in the fanfiction. The reincarnated character could either get involved in their relationship or try to change the dynamics between them.
Sasuke could be involved. Since he has a complex relationship with Naruto, if Naruto becomes 'Red X', Sasuke might be either an ally or an antagonist depending on the nature of 'Red X'. Another character could be Kakashi. As Naruto's mentor, he would surely notice the change and try to guide Naruto through it.
Sakura's friends like Naruto and Sasuke could be main characters. They might be the ones trying to find a way to save her. They could be using their skills and powers to look for a cure or a solution.
There could be the prison guards. Some might be cruel and strict, while others could be more sympathetic. Also, other inmates. Maybe an older, experienced inmate who becomes a mentor - like figure to Sakura.
The main characters are obviously Itachi and Sakura. Itachi is a complex character from the Uchiha clan known for his powerful Sharingan abilities. Sakura, on the other hand, is a skilled kunoichi who has grown in her medical and combat abilities. In this fanfiction, they are usually placed in the context of the ANBU, which is a special and secretive part of the ninja world.