Unlock the code of heaven

Sometimes, when you look up, do you think, 'Oh my god?'? How many unknowns are there, and I won't think about them, I will only unravel them one by one. My master told me that I survived entirely because he taught me the skill of lighting lamps for the dead. Until one time, the lights turned blood red... vertical coffin burial, hanging corpses, all these strange things I had never seen before were encountered by me, and why did I have a familiar feeling?