The protagonist transmigrates to the Tang dynasty and becomes Cheng Fei, the son of Cheng Yaojin. In his sea of consciousness lies a vast library containing books on every subject. His body has also undergone a transformation: as long as he reads carefully, he can quickly master the skills described in its books. The protagonist was born into this life after transmigrating in the womb, and over the years Cheng Fei has mastered many skills. But having lived two lives, he keeps most of his abilities hidden and stays humble.
