Reborn as the Lord of the Underworld

This book has absolutely nothing to do with being reborn! Absolutely nothing to do with being reborn! Absolutely nothing to do with being reborn! Important things must be said three times.

Li Yichen was an ordinary middle school student, but he died after being bullied at school. Perhaps Heaven felt the injustice and gave Li Yichen a System after his death. Step by step, he rebuilds the underworld and takes charge of injustices in both the world of the living and the world of the dead.