Well, it could be that Sakura, through her determination and unique skills, earns the respect of the village. Maybe she starts off by improving the medical facilities in the village as a first step towards becoming Amekage. She could also form alliances with powerful ninja from the village and prove herself in battles against other villages' threats.
Rock Lee could be a great ally for Sakura in this fanfiction. His unwavering determination and loyalty would be assets. He could help Sakura train physically and also be a source of moral support. Also, Tsunade, Sakura's mentor, would surely play a role. Tsunade could offer her wisdom and guidance, especially in matters related to leading the village, as she was once a Hokage herself.
Well, perhaps it could be about Sakura proving herself in combat and leadership skills. She might start by impressing the villagers with her medical ninjutsu and then gradually take on more responsibilities, eventually being recognized as a worthy candidate for Otokage.
Perhaps in the fanfiction, Sakura witnesses the inefficiency of the current kage system during a major disaster. She decides to take matters into her own hands and starts training intensively in areas she was previously lacking, such as strategic planning. She forms alliances with other influential ninjas who believe in her vision. With their support, she campaigns for the kage position. Along the way, she has to deal with her own self - doubts and the doubts of others. But her unwavering belief in a better future for the village drives her forward, and she finally attains the kage title.
One possible plot could be that Sakura is constantly overlooked and underestimated in her world. She gets tired of being in the shadow of others and decides to use her skills for her own gain in a more self - serving and unethical way. For example, she might start using her medical knowledge not to heal but to manipulate people's health for power.
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.
Well, one possible plot could be that Sakura works extremely hard in her medical ninjutsu and combat skills. She might start taking on more leadership roles in the village during times of crisis. For example, when the village is short on resources or facing a new enemy threat, Sakura steps up. She uses her intelligence to come up with strategies and her strength to inspire others. Along the way, she has to deal with those who doubt her ability to be Hokage because she's not from one of the traditional 'power' clans. But through her determination and the respect she earns from her peers and the villagers, she finally becomes Hokage.
It could be that after some great battle where the Hidden Rain is left in a state of chaos, Naruto steps in to help rebuild. His selfless actions during this time earn him the trust and respect of the Rain villagers, leading to him being named the Amekage. He might have used his Rasengan and Sage Mode skills to protect the village during the battle, which makes him a natural choice for leadership.
The plot could center around Sakura's transformation into an Arrancar being a result of a powerful experiment gone wrong. As an Arrancar, she could discover new abilities she never had in the Naruto world, like the use of Cero. She would then have to deal with the other Arrancars, some of whom might see her as an intruder. And she would also have to figure out how her medical skills from the Naruto world could be applied in this new, more dangerous setting.
One key plot point could be Sakura's training. She might start from being a novice, learning various assassin skills like stealth, combat, and weapon handling. Another point could be her first mission. It could be a dangerous one where she has to prove herself. Also, her relationships with other characters in the assassin world, whether they are mentors, rivals or allies, would be important in shaping the story.
Sakura's teammates Naruto and Sasuke could be her allies. Naruto might support her with his charisma and influence among the villagers, while Sasuke could offer his combat expertise and strategic knowledge.