C297 Uninhabited island's past history with an exchange code inside quick snatch

The night was cold and the sea breeze blew in from the window.

With the light from the candle, Lin Chuyue leaned on the table and looked at the book that Hong Zhu had gotten her hands on.

This book had records of a person training by going down the mountain. If she wasn't mistaken, the owner of this book should be the one who established the Uninhabited Island Residence