You might enjoy "Go Back Couple" (2017).

Plot:
It follows Choi Ban-do and Ma Jin-joo, a married couple in their late 30s who are on the brink of divorce due to the strains of daily life, lost dreams, and unresolved frustrations. However, after signing the divorce papers, they mysteriously wake up to find themselves back in their 20s, during their college days when they first met. This time, with all the wisdom and regrets of their future selves, they try to avoid each other—thinking it’ll lead