I'm sorry, I haven't read this '15th hunter chairman oc fanfic' specifically, so I can't explain its plot. But generally, in a fanfic, the plot might revolve around the original world setting of the 'hunter' concept, with the 15th hunter chairman as a central figure. It could involve his adventures, challenges he faces, relationships with other characters, and how the original elements of the hunter world are explored and expanded upon in the fan - created story.
The plot could center on the 13th chairman's efforts to bridge the gap between different hunter groups. There are often various types of hunters with different goals and methods. The chairman might try to unify them to work towards a common good, like protecting the world from a new, unknown danger.
One possible fanfic could be about the journey of the 13th chairman in the world of Hunter x Hunter OC. It might explore their rise to power, the challenges they face within the complex Hunter Association. Maybe they have to deal with political intrigue, different factions vying for control, and also how they interact with the hunters. They could be introducing new policies or trying to reform the existing ones to better suit the changing world of hunters.
I'm not sure as I haven't read it, but surely the 15th hunter chairman is one of the main characters. And since it's an 'oc fanfic', there are probably original characters created by the author that are also main characters. They could be friends, rivals, or subordinates of the chairman.
The plot could be that the granddaughter has a special ability that the 13th chairman wants to utilize for the good of the Hunter community. So, he takes her under his wing to train her. As they train, they encounter various enemies who are after the granddaughter's power.
One possible fanfic could be about the adventures that the granddaughter gets involved in under the watchful eye of the 13th chairman. Maybe she discovers some hidden secrets within the Hunter x Hunter world with his guidance.
One way to incorporate an OC into the plot of a Hunter x Hunter fanfic is to make them a part of an existing story arc. For example, if the fanfic is set during the Chimera Ant arc, the OC could be a new Hunter sent to help fight the Chimera Ants. They could have a special skill or knowledge that is crucial in the battle. Another way is to create a new story arc centered around the OC. Maybe they discover a hidden danger in the Hunter x Hunter world that the other characters are unaware of, and they have to convince Gon, Killua, and the others to join them in facing this threat.
One idea could be that Geru is a new type of Hunter with a unique nen ability. For example, the ability to manipulate time in a small area. This could lead to all sorts of adventures and challenges. Maybe Geru has to use this power to stop an evil group from stealing precious artifacts in the Hunter x Hunter world. Another idea is that Geru is an OC who is on a quest to find a long - lost family member who is also a Hunter. Along the way, Geru meets different characters from the original series and forms alliances or rivalries.
A 'hunter x hunter pitou oc fanfic' can offer a fresh perspective on the series. Often, fanfics like this explore uncharted territories in the 'hunter x hunter' lore. The oc could be from a different part of the 'hunter x hunter' world that Pitou has never encountered before. This could lead to cultural clashes, new alliances, or even a complete shift in Pitou's character arc. It's all about how the author weaves the story of the original character with Pitou's existing story and the overarching world of 'hunter x hunter'.
The fanfic could center around the OC being hunted by a group of powerful and menacing hunters who are after something the OC possesses. This causes the OC to be in a constant state of fear. Gon gets involved when he realizes the injustice of the situation. The story could then unfold with Gon and the OC trying to outwit their pursuers, all while the OC has to confront their fear of being caught and what might happen if they are.
A 'ponzu oc hunter x hunter fanfic' is likely a fan - created story. Ponzu could be an OC that the author has made up. In the Hunter x Hunter world, this fanfic might involve Ponzu getting involved in the Hunter Exam, facing off against the likes of Hisoka or other examiners. They could be on a quest to find rare items or secrets in the world, which is full of strange creatures and hidden powers.