Another possibility is that he wants to explore the world outside Konoha on his own terms. Naruto has always been curious, and in a fanfic, he might decide that he can't be tied down to one place. He could be on a quest for self - discovery, believing that Konoha's environment is limiting his growth.
Maybe there are some dark secrets within Konoha that he discovers in the fanfic. These secrets could be related to the treatment of certain individuals or something more sinister about the village's leadership. Discovering such things could make Naruto decide to leave in order to distance himself from the corruption or unfairness.
Yes, there might be such fanfics. One possible reason could be exploring alternative storylines. Writers might want to break the traditional view of Naruto's loyalty to Konoha to create more complex and unique plot twists. For example, they could be imagining a scenario where Naruto discovers some dark secrets about Konoha that make him question his loyalty.
In some fanfics, Naruto might leave Konoha as a child because he feels ostracized. Since he's the jinchuriki of the Nine - Tails, many villagers fear and shun him. He could get tired of the constant cold shoulders and decide to leave in search of a place where he'll be accepted.
One possible reason could be that Naruto feels betrayed by Konoha. Maybe he discovers some dark secrets about the village that make him lose faith in it. For example, if he finds out that the village elders were involved in unethical experiments or plots against his friends or family, he might not want to help.
One possible reason could be that Konoha has made decisions without considering Naruto's opinions. Maybe they have made policies that Naruto believes are unjust towards certain groups, like the treatment of the Uchiha clan in the past. Naruto, who values fairness and friendship, would be angry at such insensitivity from his village.
One possible reason could be for Naruto's safety. Maybe she has to go on a dangerous mission and believes Konoha is the safest place for him. Another reason might be that she is forced by some powerful enemies who threaten Naruto's life if she doesn't leave him in Konoha.
One possible reason could be that Naruto feels betrayed by the village. Maybe he discovers some dark secrets about Konoha that make him lose faith in it. For example, if he finds out that the village leaders have been using him all along without truly caring for his well - being.
One reason could be to test Konoha's security. Naruto might want to see if there are any loopholes in the village's defenses. So, he sends his clones to infiltrate and find out.
Naruto might forgive Konoha because he realizes that holding a grudge won't solve anything. He has seen the destruction that hatred can cause, like during the Pain arc. So, he chooses to forgive in order to move forward and bring about positive change. Another reason could be his respect for the previous Hokages and their ideals for Konoha.
One possible reason could be that Naruto discovers some dark secrets about the village leadership that go against his values. For example, if he finds out that they have been using underhanded means to maintain power.