This book has gone through a lot, and it has taken me a lot of effort to write it until now, but the results of the book have not reached my ideal goal, and it is very difficult, and I have to say goodbye to everyone.

Thank you to the readers who have been with you all the time, and thank you to the critics who joined in the fun, you were all very interesting.

There is not much more to say.

"I come from the center of the earth" is in the middle of the hand, please wait a moment,

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