In many light novels, the plot unfolds gradually as the story progresses. It might start with introducing the main character, Iroha Isshiki, and their situation. Then, there could be a series of events that lead to a change in their life. This could be something like a new discovery, a meeting with an important person, or a problem that they need to solve. If there are other elements such as a love interest, it would add another layer to the plot. However, without actually reading the 'iroha isshiki light novel', we can only speculate about the possible plot elements.
First, do your research on the otsutsuki. Know their powers, their appearance, and their general behavior in the original source material. This will help you create a more believable story.
Well, his pure Otsutsuki blood might enhance his physical strength. For example, he could have greater stamina and be more resilient in battles. His dojutsu abilities could also be amplified. Maybe he can use the Sharingan or Byakugan in a more powerful way than normal. He might also have a natural affinity for Otsutsuki - related jutsu, like those involving space - time manipulation.
I'm not very familiar with a specific 'iroha isshiki light novel'. But you can try searching on some well - known light novel platforms like J - Novel Club or Amazon's light novel section.
First, study the existing Otsutsuki lore. Know their powers, their goals, and their general behavior. For example, they are usually very powerful and often seek to gain more power or resources. Then, give your OC some unique traits that still fit within this framework. Maybe they have a different appearance, like a unique eye color or markings. But also think about their personality. Are they more ruthless like most Otsutsuki or could they be more empathetic? This will make them stand out.
First, do your research on the otsutsuki. Know their powers, their backstories, and their characteristics. Then, choose the other universe or franchise you want to cross them with. Next, think of a starting point for the story, like an otsutsuki arriving in a new world. Just start writing and let your ideas flow.
One way is to make the Otsutsuki OC a hidden observer during the Uchiha massacre. They could be there to study the Sharingan or the power dynamics within the Uchiha clan. For example, they might be interested in how the Uchiha's emotions, like hatred, are related to the power of their eyes. Another way is to have the OC be a factor that somehow influences Itachi's decision. Maybe they offer him a different option or some knowledge that makes him rethink his actions, but in the end, the massacre still occurs due to the complex web of political and clan - related reasons in the Naruto universe.
The development of the OC in a Kaguya Otsutsuki will OC fanfic can be a complex process. Firstly, think about their goals. Are they seeking power, knowledge, or something else? This will drive their actions throughout the story. Their moral compass is also important. If they are faced with Kaguya's often - amoral actions, how will they respond? Will they be swayed or stay true to their beliefs? Moreover, their growth over the course of the fanfic is crucial. They could start as a naive character and gradually become more wise and powerful as they face various challenges and experiences in the Naruto - inspired world.
It could start with a mutual curiosity. Naruto, being the inquisitive hero, wants to know more about Kaguya's past and her power. Kaguya, on the other hand, might be intrigued by Naruto's indomitable will.