this story is based on alternate universe where lan wangji is dead and he is black jade or Better known as yilling patritiach. even after 16 years wei ying can't find his soul his best friend, crush . and he can't wait anymore he is broken and he has changed. what if he and his sons travelled back in time when he was studying in gusu... will he able to change the future? can he save his crush, love of his life?... ... read more to find out...