One interesting Optimus Prime love fanfiction could be about his relationship with a human female who helps him understand human emotions better. In such a story, they might go through various challenges together while fighting the Decepticons and in the process, their bond deepens.
One interesting Optimus Prime fanfiction could be about his origin story in a different universe. Maybe in this story, he was created by a group of ancient beings with a unique purpose.
A plot could be that Optimus Prime, in his travels, discovers a lost civilization. There, he meets a female leader who is intelligent and kind. She is intrigued by his noble nature, and he by her leadership and the unique culture of her people. As he helps her protect her civilization from various threats, their relationship blossoms into love.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions from various fandoms, including Transformers. Just use the search function and type in 'Optimus Prime love' to find relevant stories.
One plot idea could be Optimus Prime losing his memory and having to rediscover who he is while the Autobots try to protect him from the Decepticons. Another could be a story where Optimus Prime has to team up with an unlikely ally, like a human who has a special power that can help in the fight against the Decepticons. Or perhaps a plot where Optimus Prime travels to a different dimension and has to find his way back while facing new enemies.
One good 'Transformers Prime Optimus X Ratchet' fanfiction could be 'Bond of Titans'. It delves deep into their relationship during the battles in the Transformers Prime universe, showing how they rely on each other's strengths. Another might be 'Unspoken Alliance' which focuses on their unspoken understanding and how it evolves over time.
One common theme could be the struggle between his duties as a leader and his new - found love. For example, he might have to choose between protecting his team and being with the one he loves. Another theme could be the acceptance of his love by his comrades. Since he is in a position of great responsibility, they might be initially skeptical. Also, the idea of an inter - species love could be explored, considering Optimus Prime is a Cybertronian.
Perhaps a fanfiction where Grimlock is initially distrustful of Optimus Prime's more diplomatic approach. But as the story progresses, they learn from each other. For example, Grimlock could teach Optimus about the value of brute force in certain situations, while Optimus could show Grimlock the importance of negotiation. This would lead to a stronger bond between them and a more united Autobot force.
One idea could be an Optimus Prime crossover with the Transformers: Beast Wars. Imagine Optimus Prime interacting with the Maximals and Predacons, and how his leadership style might contrast or blend with that of Primal. Another could be a crossover with a superhero universe like the Avengers. Optimus Prime could team up with Iron Man, and they could exchange technology and strategies.
Well, a cool crossover would be a race - related one. Optimus Prime is known for his speed in vehicle mode. He could participate in a race in the RWBY world, perhaps against some of the high - speed vehicles or characters there. This would not only be an exciting event but also a chance for the two different universes' cultures to clash and interact. Also, there could be a story where Optimus helps RWBY characters understand the concept of teamwork in a new way, based on his own experiences with the Autobots.
One idea could be an Optimus Prime crossover with the Transformers: Beast Wars. Picture Optimus Prime interacting with the Maximals and Predacons, and how his leadership style might contrast or blend with that of Primal. Another could be a crossover with a superhero universe like the Avengers. Optimus Prime's sense of justice would fit well in that world, and he could team up with Iron Man to share technology or battle strategies.