The Flash System

The Flash System,

Joe finds a website that allows him to create a system. He decided to make a system to become the very best Flash. He goes to sleep then wakes up to find he has acquired the system and the world has changed. The world of DC and Marvel have come together into one.

TAGS: Hero, R-18, Weak to Strong, Overpowered Protagonist, Harem, Fan-Fic, Vampires, Hardworking Protagonist, Kind Protagonist, Tsundere, Yandere, Smart Protagonist