Male and Female Leads, Stop Chasing Me! I'm Really Not Your Unattainable First Love

Jiang Yuewu runs into two very strange people. She steals their opportunities, but instead of getting angry, they willingly offer her even more. By chance, she learns that they're the male and female leads of this world, blessed with immense luck. Knowing that stealing from the protagonists never ends well, she promptly gives everything back and stays as far away as she can. But why do the two of them keep chasing after her? And what's with them calling her their "moonlight"?