Go Back in Time and Meet You Again

The girlfriend was forced to break up with the hero due to family age and other reasons. The hero was lost and obsessed with his girlfriend. At one point, he was accosted by a mysterious man and asked if he wanted to travel to the future or the past. The hero replied that he wanted to go back to the past. After that, he was taken to the research institute by the mysterious man. He traveled to the past and found the university where his girlfriend was studying. He was determined to pursue her and marry her. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.