Who is Nineikione and what is 311schizophernia?

[u/ShiftLongjumping1100]

https://store.gx.me/mods/1pvu57/311schizophernia/

I need help, I found this Opera GX mod and I don't know what this is even about, I even tried looking for it on google and they aren't giving me exact answers I was looking for. The mod also mentions about "311Company", I need to know who is Nineikione and why they made this mod pack for Opera GX