"Everything in life is decided by fate." This was a common belief held by many, but for Aikawa Yuuki, it was quite different. He felt as though he was a slave to fate from the very beginning of his life. Aikawa Yuuki, a normal human, arrived at Kivotos after being sent by his father and recommended by his brother. During his journey, he encountered all kinds of people. However, behind the mask he wore to protect the core of his being, lay a secret he was reluctant to reveal.