New book, I train the big guy behind the scenes

After being suggested by the editor to change the title of the book again, the name that was barely passed after hard thinking and meditation, the content of the new book, I hope you can like it~

There are two more in addition.

During this time, please support the new book......

The new book "My Master is a lot" has been changed, the name has changed, and I am training the big guy behind the scenes I am playing in my hands, please wait a moment,

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