How Can Anyone Be Reborn Before the College Entrance Examination?

Xia Dong, who had made some achievements before the age of 30, was unexpectedly reborn five months before the college entrance examination. Let me ask you, who did time travel before the college entrance examination? Facing this critical crossroads in life, Xia Dong felt that he must take the exam. Life needs to change by the way... But can life really change?