One possible storyline could be that the original female character is a new hero in the One Punch Man universe. She teams up with Metal Bat on a mission. They start off not getting along well due to their different fighting styles. Metal Bat is more brute force while she might be more strategic. But as they face tougher and tougher enemies, they learn to combine their skills and eventually become good friends or even more.
Maybe the female character is a villain at first. She tries to manipulate Metal Bat into doing her bidding. However, Metal Bat's strong sense of justice makes him resist. This leads to a series of battles and confrontations between them. In the end, through some events, she could see the error of her ways and turn to the side of good, joining Metal Bat in protecting the city.
Another storyline could be that the female character is a fan of Metal Bat. She tries to get close to him to learn from him. Metal Bat is initially annoyed by her presence but gradually realizes her potential. He starts to train her, and they go on adventures together, with the female character growing in strength and confidence under Metal Bat's guidance.
One popular storyline in Metal Bat fanfiction could be his adventures outside of the main One Punch Man plot. For example, he might go on a solo mission to a far - off land to fight a new and powerful monster. Another could be his interactions with other heroes in a more in - depth way, like training sessions with Genos or team - up missions with Mumen Rider. And sometimes, fanfictions explore his family life, like how he balances his hero work with taking care of his sister.
One possible fanfiction could be about the Metal Bat facing an extremely powerful and unknown monster in the One Punch Man universe. He could struggle in the fight at first, using his bat with all his might. But as the battle progresses, he discovers a new level of strength within himself, inspired by the other heroes he has seen in action.
Fanfiction explores Metal Bat's character by delving into his emotions. For instance, his anger, which is a big part of his fighting style, can be explored in more detail. We might see what really makes him tick and what can push him over the edge. His loyalty to his sister is also a key aspect. Fanfictions can show how this loyalty affects his decisions as a hero, like whether he'll abandon a mission to protect her.
She could be a love interest. This would add a new emotional dimension to Metal Bat's character. He would have someone to care about other than just fighting villains. For example, she could be in danger during a monster attack, and Metal Bat would be extra motivated to save her.
To create an engaging Metal Bat OC in One Punch Man fanfiction, first, give them a unique backstory. Maybe they have a special reason for picking up the bat as their weapon. For example, it could be a family heirloom with a hidden power.
Well, the fanfiction could focus on a training arc between them. Imagine Garou, who has his own unique fighting style, teaching Metal Bat some new moves. In return, Metal Bat could teach Garou about the importance of protecting the weak. Their relationship could develop from a mutual dislike to a begrudging respect and then to an actual friendship. This could lead to them fighting side - side against the various threats in the One Punch Man universe, and they might even change the public perception of Garou from a villain to an anti - hero.
The plot could be Metal Bat going on a quest to find a special metal to upgrade his bat. Along the way, he encounters various monsters and other heroes. He might have to compete with other heroes who also want the special metal for their own reasons.
Another role could be as an antagonist. Maybe they have a different view on how heroes should operate and end up causing trouble for the other heroes. This would create conflict and drive the plot of the fanfiction forward.
Another storyline could be that Thanos, aware of One Punch Man's power, tries to use the Infinity Stones to either eliminate him or make him an ally. There could be a long - drawn - out battle where One Punch Man has to constantly dodge Thanos' attacks while trying to find a way to land his one punch. In the end, he manages to do it and saves the day.
One possible storyline could be Harry arriving in the One Punch Man world and being mistaken for a new hero. He then has to prove himself while also trying to figure out how to get back to his own world.