The Unbounded and the Bounded are unique worlds outside the Six Paths that are endlessly alive. Powerful light spirits and demon spirits live in them. They are kind-hearted and work hard to cultivate. Every spirit body will obtain a real physical body after successful cultivation, and each of them will be a top-notch monster. Yin Bainuo, the only son of the Bounded Master, fell in love with Yun Yanluo, the only daughter of the Unbounded Master, and proposed marriage without a boundary with his father's consent. Yunyanluo was indifferent by nature, and he was even more displeased with the Yinbainuo caused by his fancy name. In order to temporarily avoid his entanglement, Yun Yanluo led his best sister to the human world...