How Can I Help the Underworld to Save the Kid Without Being Immoral?

An accidental drunkenness caused Wang Qiang to accidentally beat up Hei Wuchang. He met his grandfather who had been dead for many years and broke into the underworld. He accidentally became the younger brother of the Lord of Hell and became the yin and yang of the underworld... Fight evil ghosts, destroy Tiaotiao, and save little ghosts to start hilarious stories of evil ghosts... I am Wang Qiang, and I love eating bear biscuits. I am Yang Cha, and I bring salt for myself...