Mr. Yan, I Work to Ensure Your Satisfaction.

"I want to get a beating from society..." --The only mantra master among the four families who can change the "life span" of others: Mr. Yan . "I want to become a multimillionaire." "Okay, I'll give you fifteen years of life in exchange." "You took away half of that billionaire's net worth and gave him one more year to live!" "I am a businessman who sells wishes. I must make a profit." . This is a story about mantras, demons, demons and people. Everyone needs one, But what no one wants to meet, Mr. Yan's story. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.