In a World Without Ultraman, I'm the Great Monster!

In 1970, enormous monsters suddenly began emerging from underground for unknown reasons. They rampaged through human cities... People tried everything they could to destroy them.

In the end, they found the simplest way to kill the monsters: use their bodies to make wearable battle suits, then fight monsters with the power of monsters...

But our protagonist is a giant monster wanted by humanity!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.