The book of life and death found that someone named in his body was not dead. He could not go back in time and possessed the person who should not die to clear the cause and effect.
Author's note: Not to mention the writing style, I don't know much about it. If the plot is too much improvised, I'll update it as soon as possible.
Update depending on your mood, wait for a long time before updating.
Contents The story of book and pen.
Intention: wear quickly