The world used to be normal, but one day, everything changed. Strange portals opened up that were full of monsters. They soon got ranks: E-Rank D-Rank C-Rank B-Rank A-Rank S-Rank Along with these ranks, people began to get there own "class" and level (the levels went from 0 to 99). The were: Tank, Beserker, Mage, Healer, Archer, and the legendary, Grimm. There were only 13 recorded cases of some being a Grimm, they all became people that went down in history. 9 were killed, 3 died of old age, and 1 retired. But one day, a child named Izuku Midoriya is born and he is found to be the most powerful of them all...