Jade's Fateful Love (2024)

ML and FL both can repeatedly time travel but only back to a certain point in time to try to survive events that end in their deaths. They're the only ones who retain the memory of what happened before, and work together, first as allies, then friends, and then fall in love.

Both are about an arranged marriage between two very different kingdoms, one of which is looked down upon by the other.

Dramatic Self-Help Strategy also involves a couple in a time loop during Ancient China. The two have to work together to survive.