EXO member Lay says: I am still a Chinese person. My heart is always here.Facebook/Lay

Lay, the Chinese member of South Korean record label SM Entertainment's popular boy band EXO, has set a new record by selling more than 68,000 copies of his semi-autobiography online.

The limited edition of the book titled "Independent 24" was available for pre- booking in China on 17 September and 68,537 copies of it were sold within 24 minutes.

On an average, the semi-autobiography of EXO member recorded a sale of 50 copies per second and it is reportedly the highest number of online book sales in China, according to Soompi.

"Independent 24" will be officially unveiled in China on 7 October and it will be available in two versions. The book will consist of a few special moments the singer shared with his fans, messages for his followers and exclusive photos.

Informing his fans about the autobiography, Lay wrote on Weibo: "I constantly receive letters from everyone. Consider this book as my reply to everyone's letters which is also written for myself who will turn 24 [soon]! I think, with respect to the supposed surprise, that which I've prepared will always exceed your imagination by just that much. You guys didn't guess that there would be such a surprise right."

Meanwhile, the book is likely to include the details of his journey with SM Entertainment and the various problems he faced after his ex-teammates Luhan, Kris aka Wu Yifan and Tao aka Huang Zitao terminated their contract with the entertainment agency.

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