Datang: the Qin Prince's Mansion Was Slaughtered by Li Er in the Beginning

Li Chengde, whose soul traveled to the Tang Dynasty, actually became the fourth son of the hidden prince Li Jiancheng. He just woke up and found that he was in Wude Hall. At the time of the Xuanwumen Incident, Li Jiancheng and Li Yuanji were also killed by the prince not long ago. Li Yuanji's five sons and four of his brothers were all killed by the prince. Only Li Chengde survived because he was playing in Wude Hall. King Qin has surrounded Wude Hall, and death seems not far away... At the critical moment, the card-in system of all realms is awakened. "Checking in successfully, congratulations to the host for getting the special soldier Iron Buddha x900." ... "Checking in successfully, congratulations to the host for winning the historical general - Yue Fei." ... Li Chengde, who received the blessing of the system, broke out of the Xuanwu Sect, starting from the massacre of the Prince of Qin's Mansion... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.