little girl (Disaster Level God)

Now... the organization of heroes will face an impossible threat. More dangerous than anything their minds could have imagined. A catastrophe, a doomsday prophecy. It wasn't an alien, it wasn't an ancient monster, it wasn't a natural disaster. It was simply.... A little girl. 7 years old, innocent, cheerful, cute, but with the strangest thing in the world, and a red line