Call Me Father - In - Law Highschool Dxd Fanfiction: What Could Be the Plot?

Maybe a new character could be the main character. A human who accidentally stumbles into the Highschool Dxd world and falls in love with one of the female characters there. Then he has to face the challenges of dealing with her father - in - law, who could be a powerful being like a devil king or a high - level angel.

A great plot might be that Grayfia's brother - in - law is actually a half - demon or half - angel who has been hidden away from the main DxD world until now. When he enters the highschool, his presence starts to disrupt the delicate balance between the different species. Some see him as a threat, while others think he could be a key to a new era. As he tries to figure out his own identity and powers, he also has to deal with the normal high school problems like making friends, dealing with bullies, and passing exams in this supernatural high school.

A possible plot could be Venelana going on a solo mission to uncover a mystery that has been plaguing the underworld. This mission could lead her to discover new allies and enemies, and along the way, she could learn more about her own strength and capabilities.

The plot could involve Ben's aliens having an unexpected effect on the magic in the Highschool DxD world. His alien DNA might interact with the devil or angel powers in strange ways. For instance, if he transformed into Heatblast near a magic spell, it could cause the spell to go haywire. And his presence could also disrupt the power balance between the different factions in the DxD world, leading to new alliances and rivalries.

In a fanfiction where Naruto goes to Highschool DxD, he could introduce new concepts of chakra to the world. This would be really fascinating as the characters in DxD might try to incorporate it into their own powers. Naruto could also be a bit of a fish out of water, not fully understanding the social norms and hierarchies in Highschool DxD at first. But his kind heart would help him navigate through it all, and he'd end up changing the school environment in a positive way with his unique personality.

A simple plot could be that they compete in a school - wide tournament. Koneko's pride as a Nekoshou and Issei's determination to prove himself make for an interesting dynamic. They both face tough opponents and along the way, they offer each other advice and support, gradually becoming closer friends.

In this fanfiction, Thanos could be seen as a sort of ultimate antagonist for the entire Highschool DxD world. He might try to use the chaos of the three - way war between the Devils, Angels, and Fallen Angels to his advantage. He could start by eliminating the strongest beings from each side to tip the balance in his favor. However, the characters of Highschool DxD would not go down without a fight and would use their unique abilities and teamwork to try and take on Thanos.

Well, a plot could involve Broly being part of a special program in the Highschool DxD setting. He might be there to learn about controlling his power in a more civilized way. As he tries to fit in, he could befriend some of the main characters from DxD. For example, he could team up with Issei and his friends to compete in some sort of school tournament that has magical and combat elements. This would lead to some epic battles and also some character development for Broly as he learns about friendship and cooperation.

Well, it could be about a kamen rider who enrolls in the highschool from DxD. Maybe he has to use his kamen rider powers to fight off devils or other supernatural threats that target the school. He could also form an unlikely alliance with some of the characters from DxD, like Issei and his friends.

Maybe Spider - Man's identity is mistaken in the Highschool DxD world. The characters might think he is some sort of new supernatural being. This could lead to a series of comical misunderstandings as he tries to explain his powers and where he comes from while also dealing with the various power struggles and intrigues in the Highschool DxD universe.