The boy's character might develop in terms of his understanding of the world. Meeting Godzilla makes him realize that there are much bigger and more powerful forces out there. He could become more empathetic towards all living beings. Godzilla's character could change too. Maybe it starts to show more emotions, like sadness when the boy is in danger or joy when they achieve something together. This change could make Godzilla more relatable to the readers.
In the fanfiction, the boy could develop leadership skills. As he becomes closer to Godzilla, he has to deal with the reactions of other humans. Some are afraid, some are curious. The boy has to convince them that Godzilla is not a threat. This forces him to grow and be more confident. Godzilla's development could be that it becomes more intelligent. Through its interactions with the boy, it learns about human concepts like friendship and loyalty, and this changes its behavior. For instance, it might start to use its powers more strategically to protect not only itself but also the boy and the boy's community.
The plot might involve the human boy being in the wrong place at the wrong time and getting caught in the middle of a battle between Godzilla and another kaiju. Godzilla notices the boy and decides not to let him get hurt. This starts a journey where the boy and Godzilla have to rely on each other. The boy might use his knowledge of the human world to help Godzilla find a way to defeat the other kaiju, like leading it to a place where the kaiju's powers are nullified.
One interesting concept could be the idea of humans taming Godzilla. Imagine a story where a group of scientists find a way to communicate with Godzilla and train it to protect the Earth from other threats instead of causing destruction. Another concept might be a human - Godzilla bond, like a friendship or partnership that defies the norms of their usual relationship in the movies.
One idea could be that the Godzilla sees the human child in a dangerous situation, like a collapsing building during a battle, and decides to protect the child. It could then form an unlikely bond with the child, who is not afraid but rather curious about the giant creature.
One idea could be that Godzilla, as a human, has to hide his true identity while trying to understand human emotions. He might struggle with the concept of love and friendship, which are very different from his previous existence.
A great human female Godzilla fanfiction might involve a female protagonist who gets transported into the world of Godzilla. She has to survive in this strange and dangerous world, and eventually teams up with Godzilla to fight off an even greater threat that endangers both their existences.
Sansa might start to trust more easily. Daenerys has a certain charisma, and in the fanfiction, Sansa could be drawn to it. For Daenerys, she could become less impulsive. Sansa's more cautious approach to politics could rub off on her. They could both grow into more well - rounded leaders through their interactions.
For Tanjiro, he could become more understanding of the complex nature of demons. Meeting Kokushibo, a powerful and complex demon, might make him realize that not all demons are simply evil. Kokushibo, on the other hand, could start to have some doubts about his loyalty to Muzan. Tanjiro's tenacity and belief in the good of all might start to chip away at Kokushibo's cold - hearted exterior.
Kakashi could become more distrustful after meeting Tobi. Since Tobi is such a mysterious figure, Kakashi might start to suspect everyone around him more.
Keith could develop a stronger sense of self - confidence. Comparing himself to Sasuke, who is a highly skilled ninja, Keith may strive to improve himself even more. Sasuke could develop a sense of camaraderie that he has long lost. With Keith by his side, he might start to trust others again. In addition, they could both develop a more global perspective, understanding different worlds and ways of life through their interactions.
Itachi might start to question his loyalty to the Akatsuki after meeting Minato. Minato's strong sense of justice and love for his village could make Itachi re - evaluate his own actions.