An Esper in a Certain Scientific City

The world has changed dramatically, and people with abilities have emerged from nowhere. The multiverse is here, with gods inhabiting mortal bodies, other worlds, and secret realms appearing one after another. Powerful beings from every world have gathered on Earth, and countless worlds are locked in battle. What will happen to the world? What will happen to me? I am Chen Shu, the Shu in 'words spoken, but nothing left unsaid.'