Another good one is 'My Highschool DxD SI Adventure'. In this fanfiction, the self - insert character brings a fresh dynamic to the story. The writing style is very descriptive, making it easy to visualize the scenes and the interactions between the characters.
Finally, the writing quality matters a great deal. Good grammar, proper pacing, and vivid descriptions all contribute to making a fanfiction enjoyable. If the writing is too choppy or full of errors, it can be really off - putting. A well - written 'Highschool DxD' SI fanfiction can transport you into the world of the story and make you feel like you're right there with the characters.
In some Highschool DxD SI Fanfiction, the self - insert might come from a different world or time period. This brings in elements of cultural shock and different knowledge systems. They could introduce new technologies or fighting styles to the world of Highschool DxD, which can lead to very creative and engaging storylines.
Issei Hyoudou can also be a popular character in these fanfictions. His growth from a normal human to a powerful devil is an interesting arc. In Si Sitri fanfiction, he could interact with the Sitri family in various ways, perhaps getting involved in their schemes or forming relationships with the Sitri characters.
One idea could be creating a new character who is a transfer student with a unique power. For example, a character who can manipulate time in the Highschool DxD universe. This could lead to all sorts of interesting plot twists, like changing the outcome of battles or getting a peek into the past of the main characters.
It could be a rogue fallen angel who is jealous of the godlike SI's power. This fallen angel might see the SI as a threat to their own plans of ruling the underworld or causing chaos between the three factions in the High School DxD world.
A cool plot might involve the Si Sitri character forming an unexpected alliance with other factions in the Highschool DxD universe. This could lead to all sorts of adventures and challenges as they try to keep the alliance together and achieve their common goals. For example, they might team up with the Gremory group to face a common enemy that threatens both of their interests.
Akeno can be a popular character as well. Her mysterious nature and powerful abilities make her an interesting character to interact with the SI. She might be part of the SI's adventures, either as an ally or an unexpected challenge.
One interesting plotline could be the main character using their gaming knowledge to gain unique abilities in the Highschool DxD world. For example, they might apply strategic thinking from games to outwit opponents in battles.
One popular plotline is the self - insert character gradually building relationships with different members of the harem. For example, they might start by befriending a few characters and then over time, romantic feelings develop. Another is the self - insert getting involved in the battles and power struggles in the Highschool DxD universe while also dealing with the harem dynamics. It could be that they have to prove themselves worthy to be part of the group and in the process, win the hearts of the harem members.