Since ancient times, it has been something that many humans pursue. It has no form, sometimes it is a "book", sometimes it is the "Holy Grail", no matter what it is, it is enough for people to know that it can realize their wishes.
"Then, let me hear what your wish is."
Note: 1. No brains, bad writing, OOC, please read with caution.
2. Cp is undecided.
3. The fate is changing, so be careful when entering the trap.
Intention: He can realize any wish, until one day, he meets the black mud spirit