After I Became a Yin Messenger, the School Bully Begged for Mercy

I accidentally offended the school bully, and he forced me to eat shit. To protect myself, I was forced to become a netherworld messenger. When I returned with the power of the underworld, the school bully fell to his knees and begged for mercy, but it was already too late. “You're not repenting. You're just scared.”