It's Our Promise.

The two young men fell in love at first sight and quickly got married. After getting married hastily, they found that their personalities were not appropriate. Their daily life changed from a show of affection to a quarrel. Their marriage was about to end, but because of a sudden car accident, they began a never-ending sadomasochistic race. Only when they are truly lost can they know how to cherish. The two people who were forced to separate because of the car accident slowly realized the importance of each other, and what really waited for them was a bigger problem.