At the Beginning, You Transform into a Fierce Ghost, but You Have to Accumulate Virtue

My sister was murdered and died brutally Lu Zibai broke into the building and asked the murderer to pay for his life Planning to die after taking revenge But he was possessed by the system and said that he could resurrect his sister if he accumulated enough merit. What? Is there such a good thing? But I am a fierce ghost! You actually let a bloody ghost do good things? ? ? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.