She was an innocent little white flower who grew up among flowers, but she fell into a different world where the weak preyed on the strong and was forced to grow up;
He is a down-and-out nobleman who grew up with a bit of evil in him who struggled to survive amidst conspiracies and calculations. He doesn't believe anyone.
She uses the scent of tea as bait, and he uses wisdom as a blade. They are each other's hunter and trap, but they are willing to perish together.
She thought she was traveling through time and space to save him, but later she discovered that he was traveling through time and space to help her learn to save herself.
During their experience, they shattered the disguise of human nature, explored facts and truths, explored the rules of the world, and achieved the best of themselves.