One possible fanfiction could be about Sentinel Prime and Optimus Prime having to work together to save Cybertron from a new, powerful enemy. They might start off with some differences in their approaches but gradually learn to combine their strengths.
Baby Optimus Prime's character can be developed by exploring his relationships. If he has a mentor figure among the Autobots, his interactions with that character can shape him. He might look up to this mentor and try to imitate their good qualities. His relationship with other baby Transformers or younglings can also be important. He could learn about sharing, cooperation, and friendship through these relationships. Additionally, his discovery of his own strength, both physical and mental, can be a key part of his development. For instance, when he first realizes he can lift a small object that others thought was too heavy for him, it gives him confidence.
The other characters in the Highschool DxD world would have a wide range of reactions. The angels might see Optimus as an unknown factor and be a bit suspicious. The fallen angels might try to manipulate the situation to their advantage. And the normal human students would be terrified at first. But as the story unfolds and they see Optimus Prime's noble actions, they could start to look up to him as a hero, much like how the Autobots are seen as heroes in their own universe.
Optimus Prime is shown as extremely powerful in comics. His strength lies not just in his physical might but also in his leadership and determination. He can overcome seemingly impossible odds and lead his team to victory.
Optimus Prime is extremely powerful in the comics. His strength is shown through his ability to battle against powerful Decepticons and protect Earth. He has advanced weaponry and a never-give-up attitude that makes him a formidable character.
The reader could be an ordinary human who just happens to be in the right place at the right time. Maybe they stumble upon Optimus Prime during one of his difficult moments and use their wits and human creativity to assist him.
Yaoi fanfiction involving Optimus Prime and Bumblebee can be a creative exploration for fans. However, it often takes the characters out of their traditional heroic and platonic relationship in the Transformers universe. Some people might enjoy writing or reading it as a form of alternative storytelling that delves into different emotional and physical relationships between the two iconic characters.
In such a fanfiction, Naruto could be fascinated by Optimus Prime's technology. He might try to find ways to incorporate some of the Autobot's tech into his ninja tools. Maybe he'd develop a new type of shuriken that has some of the functions of Optimus' weapons. Also, Naruto could learn about the concept of a team from Optimus, where every member has a role to play, and apply it to his own ninja team dynamics.