Overlapping Shadows, Time Flies By

They used to dislike each other, undermine each other, and attack each other... Until a joke from the old man pushed them to death, and they discovered that there was still a lot to like in each other. One is a delicate and charming girl, and the other is a handsome young man in the apocalypse. They have different goals but reach the same goal through different paths. "Boy, remember, no matter what your purpose is, don't challenge my limits." Tests come one after another. In this competition, who hides whose tears, who protects whose soul, searches for fairy grass, breaks through desperate situations, and what is the final outcome.