Well, perhaps in this fanfiction, Naruto left because he felt unappreciated in the Leaf. But then the Leaf discovers some secrets or powers that are tied to Naruto. They start to see all the good he has done in the past and make a big effort to bring him back. They might hold a big ceremony to welcome him and show how much they truly value him now.
In 'The Leaf Wants Naruto Back' fanfiction, it could be that Naruto went on a long journey to train or find himself. During his absence, the Leaf Village starts to decline in various ways, like losing its influence or facing internal conflicts. The villagers then remember Naruto's strong leadership and spirit. They send some of Naruto's closest friends, like Sasuke or Sakura, to persuade him to return. They tell him about the situation in the village, and Naruto, being the hero he is, decides to come back to save the day.
Well, perhaps in this fanfiction, Naruto has been kidnapped by an unknown enemy. Anko, having a soft spot for Naruto, uses her skills and connections to track him down. She might have to face off against other powerful foes who are also after Naruto for their own reasons. The story could involve her teaming up with some of Naruto's old friends, like Shikamaru or Sakura, to rescue him and bring him back to Konoha.
One possibility is that Naruto has left Konoha voluntarily after some great tragedy where his godlike powers were misused. Konoha, now in danger again, wants him back. They send out a team of shinobi, including some of his old friends like Sasuke and Sakura. The story could then focus on their journey to convince Naruto to return and help them fight off a group of rogue ninja who are causing chaos with powerful, dark jutsu.
Obviously Naruto would be one of the main characters as the story is about getting him back. Sakura could also be a main character. She might be one of the ones leading the effort to bring Naruto back, using her medical skills and her friendship with Naruto as reasons to convince him.
In such a fanfic, perhaps Kushina manages to break free from the afterlife's constraints. She could use some sort of ancient jutsu that allows her to return to the living world. Then, she starts her journey to find Naruto. Maybe she disguises herself as an ordinary traveler at first to observe Naruto from afar, seeing how he has grown and all the hardships he has faced. Once she reveals herself, Naruto is initially shocked but then filled with joy at the thought of having his mother back.
In a 'konoha wants naruto back fanfic', perhaps there's a prophecy that says only Naruto can save Konoha from an impending doom. The villagers, who once shunned Naruto, now understand his importance. They start a campaign to bring him back. Tsunade could be leading this effort, offering Naruto things like a proper apology for how he was treated in the past and a high - ranking position in the village.
In this fanfiction, perhaps Naruto could be under some sort of mind control. Maybe an enemy has found a way to manipulate him into attacking the Leaf. It could also be a case where Naruto is misled about the true nature of the Leaf Village, believing it has committed some great wrong that warrants his attack.
One possible plot development could be that Kushina's spirit somehow manages to break through the boundaries between the afterlife and the living world. She then tries to communicate with Naruto, perhaps through dreams at first. This could lead to Naruto starting to search for a way to bring her back permanently, involving him in some sort of ancient and dangerous ritual that he discovers in some long - forgotten scroll.
One possible plot development could be that Kushina uses her influence within the village to start a formal request for Naruto to be returned from the ANBU. She might gather support from other characters who also care about Naruto's well - being, like Iruka or Jiraiya. This could lead to a series of political discussions within the village leadership about the role of the ANBU and whether Naruto's skills are better utilized elsewhere.
One possible plot could be that after some time away, Harry has gained new skills or knowledge. Britain is facing a great threat, perhaps a magical one if it's in a wizarding world context. The people realize that Harry is the key to solving the problem, so they try to convince him to come back. They might send his old friends to persuade him, and he has to decide between his new life and his old homeland that now needs him.
One possibility is that Artemis realizes Percy's unique skills and abilities are crucial for a quest she has in mind. Maybe there's a powerful enemy emerging that only Percy can help defeat. So, she tries to convince Percy to join her side again, perhaps offering him some kind of reward or appealing to his sense of heroism.