Fanfiction.net is also a good place to look. There are many authors who post their arcobaleno oc reader fanfictions there. However, the site's search functionality might not be as advanced as AO3, so you may need to do a bit more digging. You can start by looking at the relevant anime or manga categories and then narrow it down.
Another option is to check out some dedicated anime/manga fanfiction communities on social media platforms like Reddit or Tumblr. Sometimes, users share links to their own or other great arcobaleno oc reader fanfictions there. You can also post a request asking for recommendations in these communities.
Ask in fan communities dedicated to the series that features the arcobaleno. The members there are usually very helpful and can recommend some great reader fanfictions. They might even share some hidden gems that are not so easy to find on general search engines.
Some dedicated anime or manga fanfiction forums might also have 'gamer arcobaleno fanfiction'. For example, Reddit has some sub - forums related to anime and manga fanfiction where users share their works or recommend good ones. Additionally, Tumblr can be a place to look, as many fans post and reblog fanfictions there.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fan - created works and a good search function to help you find Skull x Arcobaleno fanfiction specifically.
One good arcobaleno oc reader fanfiction could be 'The Arcobaleno's New Companion'. It's about an OC who gets involved in the arcobaleno's world in a unique way, with lots of character development and interesting plot twists.
You can try searching for it on popular fanfiction websites such as Archive of Our Own (AO3) or FanFiction.net. These platforms have a vast collection of fanfictions, and there's a good chance you'll find it there.
First, create a detailed profile for your OC. Decide on their appearance, personality, and backstory. Then, think about how they fit into the arcobaleno world. For example, are they a new addition to the group or a replacement for an existing character? After that, come up with a basic plot idea, like a mission they have to go on or a problem they need to solve.
One interesting arcobaleno reader fanfiction could be the one where the reader has a special power and gets involved in the arcobaleno's secret missions. It's exciting as it shows the reader being part of their world and using unique abilities to solve problems.
Develop a really unique OC. Give them distinct personality traits, like being overly curious but also extremely cautious. Also, a unique backstory that ties into the world of the Arcobaleno in an unexpected way.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3) or FanFiction.net. These sites have a large collection of fanfictions, and you can simply search for 'Jeff Hardy x OC Reader' in their search bars. There are often filters you can use to sort by popularity, rating, etc.
You can try looking for Genma Reader Fanfiction on popular fanfiction websites like Archive of Our Own (AO3) or FanFiction.net.