The 8th mystery

The seven wonders, you've heard rumors here and there but did you know about the secret mystery? Well this one is the most powerful with incredible fighting skills and super quick, and they call her Y/N of the classroom. Only the seven wonders can summon her though. Why haven't you've heard of this amazing mystery, why don't one of the wonders summon her for help, and why are we just finding out about her now? Well you'll have to read to find out. Coming soon
This reader is a bit sadistic and likes to joke around/ mess with people.
I do not own any of the characters in this story