After Rebirth, Can I Rise? !

In the 21st century, in the 1950s, China has completed its centenary goal. But on this day that makes people happy, the male protagonist breaks time and space and goes back to fifty years ago on the way to celebrate his girlfriend's birthday. But at this time, the male protagonist's girlfriend is not the female protagonist. The male protagonist and the female protagonist are just simple friends. What will the male protagonist choose? Will my first love last forever, or will I meet the heroine again? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.