An immortal creature known to be mysterious and the ruler of the southern forests.

A legend about a cruel and heartless creature with an appearance resembling an evil demon.

But here he was, sitting on a mossy rock, humming softly. His eyes were closed with large black wings behind him. His hair fell down until it touched the ground.

If someone saw him and looked into his sharp, dark eyes, they would run away in fear with loud screams, except for this little girl. Believe it or not, he is her friend.

"Xavier! Here you are!" Ruu said cheerfully as she immediately walked towards him.