I cant find any OCs

I like this anime. Finished the newest season. That being said I wanted to browse the internet for some OC contents! To my surprise not many, if anyone at all, made a Seishun buta yarou/bunny girl senpai OC. Maybe it's because I havent looked at the right places. Any idea why?

For moderators : Please tell me what tag I should use for this post. I will change tag as soon as I see the responses.