My Sister Discovers I'm the Zombie King

Transmigrate as the Zombie King. Your identity is discovered by your younger sister from the start, and you sweep across the land until every nation submits.

The protagonist is a transmigrator who obtains a System and begins by hiding his identity. Bit by bit, it is exposed, shocking everyone, until he becomes the most terrifying existence in a world of monsters and demons.

Every faction wants his protection, yet no one knows...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.