His belief since childhood was to protect his family, but since he met her, his belief has become to protect her. She is an orphan whose parents died and lives with her master. Although she bears a blood feud, she is optimistic and cheerful under the guidance of her master. She does not dwell on the grudges with the previous generation. Everyone only wants her to be happy forever. If the hatred is destined to be carried by someone, she hopes that she can bear it alone. She does not need love, does not recognize her sisters, and is lonely for the rest of her life. He and her were childhood sweethearts, but they had a close relationship. The hatred between their parents separated them on opposite sides of the world, and all he did was to keep her safe.