Slime in the Modern World

Alex was 18 when he died. At the time of his death, portals opened up all across the globe and monsters starting pouring out and killing people. The world was in a state of chaos, but thats when the hunters appeared. Hunters are humans that awakened mana within their bodies. Finally able to fight back, humans regained control over the world. Alex, oblivious to the state of the world, reincarnated into the body of a slime inside one of the weakest dungeons near New York City. Just trying to live his life and regain his lost humanity, Alex goes on a journey of being a slime in the modern world.