The Strongest Star Spirit Across the Worlds

What would a shut-in from Earth do after becoming a Star Spirit in ancient times? Protect the world, or build a harem? Traveling through one plane after another, recovering the power he once lost, returning to the peak, and resisting foreign enemies, he looks back to find beauties as far as the eye can see.

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