Due to an accident, I died. A voice told me: I can take revenge, but I have to do tasks and complete the revenge on each interface. I agreed. At my request, he appeared, he was gentle and always accompanied me. He is my system and I am his host. After many years of getting along, I discovered the fact that I could let go of the hatred in my heart for him. I loved him and could pay any price for him.
If you believe the introduction, you will lose.
Updated from time to time
Concept: The plot of quick travel is not a single one