I Became a Spider Princess, and I'm Invincible

On a night when the full moon glowed blood red, he became her, turning into a girl.

She had black-and-white hair, black on the left and white on the right.

Standing beneath the full moon, the girl caught the eyes of passersby.

They had no idea that the seemingly ordinary girl before them was a Demon King.

This world has everything from vampires and Demon Kings to evil gods.

In short, this is the Demon King's adventure.