[Warning: Read this book at your own risk! The characters go completely off the rails later on!]
Having obtained the powers of Black Rock and White Rock, she arrives in the world of Black Bullet!
Her wish to change things quietly begins to transform!
The starry sky remains bright, but the world has fallen to pieces!
One by one, they appear before her, blocking the path to her wish!
Can she still bring about change?
Will she create an era of black and white, or become just another part of the world and live an ordinary life?
P.S. If you took the above seriously, you're doomed! That's not what this story is really about!
In short, the protagonist arrives in Black Bullet and runs into a bunch of troublemakers from other worlds!