Issei's death would have a profound impact on the entire school. The girls who had a crush on him would be in mourning. His classmates would be shocked and confused. The teachers might be concerned about how the students in the Occult Research Club are handling it. Some of the devils from other families would see it as an opportunity to gain an advantage over Rias' family, while others might be secretly sad as Issei had made an impression on many in the devil community. Overall, his death would send shockwaves through the various relationships and power dynamics in the Highschool DxD world.
Rias would be devastated. Issei was not only her servant but also someone she had deep feelings for. She would likely go into a rage at first, vowing to find and punish whoever was responsible. Akeno would be heartbroken as well. She and Issei had a special bond, and she would be in mourning for a long time. Kiba might feel a sense of guilt, wondering if he could have done more to protect Issei. Asia would be in shock and constantly pray for Issei's soul, hoping for some kind of miracle.
The members of the Occult Research Club would react in different ways. Xenovia might see Issei's death as a sign of the harsh reality of their world and become even more determined to fight against evil. Gasper would probably be very scared and withdrawn, as Issei was one of the few people who made him feel safe. Rossweisse would be sad but also try to keep a level head, knowing that they need to figure out what happened. They would all have to deal with a big void in their group without Issei around.
Rias would be initially cautious. Since she was so used to Issei, the new OC would be an unknown factor. She would likely test the OC's loyalty and abilities. Akeno might be intrigued by the change, seeing it as an opportunity to get to know someone new. Koneko, on the other hand, would be more reserved and take her time to warm up to the OC.
One possible plot could be how the Occult Research Club copes with Issei's death. They might struggle to move forward while also trying to figure out who was behind his death. Maybe they suspect a powerful enemy from the Underworld or a rogue devil. Another idea could be that Issei's death sets off a chain of events that leads to a new power struggle in the supernatural world, as different factions vie for the power he once held or the influence he had over certain areas. And his friends could be visited by his spirit in dreams, guiding them to uncover secrets he didn't have time to reveal before his death.
There could be. Fanfiction writers are known for their wild and creative crossovers. Given the popularity of Highschool DxD and the unique concept of Guyver, it's entirely possible that an Issei - Guyver fanfiction exists. You might want to check popular fanfiction websites like Archive of Our Own or FanFiction.net. Just search for relevant keywords like 'Highschool DxD Issei Guyver' and see if any relevant stories pop up.
Yes, there might be. There are a vast number of fanfictions out there for various combinations of popular culture elements. Since Highschool DxD has a large fan base and Godzilla is an iconic figure, it's not unlikely that some creative fans have combined the two in a fanfiction. You can try searching on popular fanfiction websites to find such works.
One great Issei and Koneko fanfiction is 'The Bond of Opposites'. It delves into their relationship in a really interesting way. It shows how Issei's brash nature and Koneko's quiet demeanor play off each other.
Yes, there are likely fanfictions out there with such a concept. In the 'Highschool DxD' universe, there are so many creative interpretations by fans. Some fanfiction writers might explore the idea of Issei taking on a Satan - like role for various reasons, perhaps to add a new twist to the story, explore different power dynamics, or to create unique character relationships.
One great fanfiction could be where Murayama discovers Issei's true nature as a devil early on. This could lead to some really interesting adventures as she tries to come to terms with it. Maybe she starts to train with him to be able to protect herself in the dangerous world of devils and fallen angels.
In a fanfiction, Issei and Koneko could be paired for a school project. At first, they struggle to work together because of their different personalities. Issei is more outgoing and impulsive, while Koneko is quiet and reserved. But as they dig deeper into the project, they start to understand each other better and develop feelings for one another.
In such a fanfiction, it could be that Issei is bashed because he represents a different kind of hero compared to what Naruto stands for. Naruto is all about self - sacrifice and believing in others no matter what, while Issei is more about his own desires and power - seeking in a way. So when these two worlds collide in the fanfic, Issei might be made to look bad in comparison. Maybe the story has Naruto characters like Sasuke or Kakashi giving Issei a hard time because they don't approve of his behavior.
One great Issei and Ophis fanfiction could be where they team up to face a new powerful enemy. In this type of story, their unique abilities combine in interesting ways. For example, Issei's boosted gear and Ophis's dragon powers could create some really cool fight scenes. It might also explore their relationship further, perhaps showing how they grow to trust each other more on a deeper level.