One common theme is the development of their relationship from rivals to something more. Given their original dynamic in the source material, fanfictions often explore how they can overcome their differences. For example, in many stories, they start to understand each other's motives and goals better.
Another interesting one is 'Izuku and Fem Bakugo: A New Dynamic'. This story takes place in an alternate universe where they are paired up for a special project. Through this project, they discover new sides of each other and their relationship blossoms. It's filled with sweet moments and a bit of action as they also have to deal with villains along the way.
Maybe they could combine Naruto's Rasengan with Bakugo's explosive power. Picture Naruto forming a Rasengan in his hand and Bakugo adding his explosive energy to it, creating an even more destructive and concentrated attack. This would be a really cool combination in a fanfic.
One possible analysis could be that their relationship in fanfic often showcases a strong bond of friendship. Bakugo's explosive personality and Kirishima's more stable and friendly nature create an interesting dynamic. Fanfic writers may explore how they support each other during battles or in their daily lives at school. For example, Kirishima might be the one to calm Bakugo down when he gets too riled up, and Bakugo could inspire Kirishima to be more confident in his abilities.
Bakugo is known to curse in the manga. This is used to emphasize his strong emotions and aggressive nature. However, the frequency and severity of the cursing might vary depending on the context of the scene.
In the manga, Bakugo has had many significant moments. He's dealt with internal struggles, formed new friendships, and taken on challenging missions that have shaped his character.