A thousand years ago, the divine general Fei Peng and the Demon Sovereign Chong Lou engaged in a fierce battle in the New Immortal Realm. The divine sword "Zhao Dan" fell to the mortal world, and Fei Peng was demoted to earth. A millennium later, the Lock Demon Tower of Shu Mountain trembled, and Fei Peng's reincarnation, Jing Tian, who obtained the demonic sword, embarked on an adventure alongside Tang Xuejian, Xu Changqing, and Zi Xuan to collect the Five Spirit Orbs and seal the Lock Demon Tower.

The story follows young Ming He, whose "junk superpower" mutates into a special entity called the "Dependent Spirit" after colliding with the "Goddess" meteorite, triggering a series of adventures and crises.

Two hundred years ago, on the Battlefield of the Blue River, the last remaining army of the Empire of Light collapsed in the midst of demonic outcries. As the last Field Marshal and Emperor fell, the chaotic world of the Western River no longer had a common ruler. Factions were formed and endless conflicts ensued, military might became the only currency of survival, and the dream to reunite the lands became the sole goal of many rulers in the generations that came after. In the south-eastern part of the land, a powerful faction with over two hundred years of history – House Zichuan – fought off the Demons to the east, defended against the House Liufeng to the west, and contained the House Lin to the south. In order to accomplish their great ambitions and extend the bloodline of their family, countless heroes of Zichuan gave their lives in order to make this magnificent hymn come to life. This is a story about this legendary family and a hundred years of their blood and tears.

It's 1863, the twilight of the shogunate, and Japan is on the cusp of monumental change. The streets of the nation's capital are soaked in blood as political upheaval and rising tensions between masterless, wandering ronin and government samurai set the stage for one of the most turbulent times in Japan's history. Young orphan Nio is no stranger to the harsh realities of the world, and yet he can't help but cling to his burning passion for justice and desire to change the world for the better. One day, he crosses paths with two men who will become central figures of the coming revolution: Hijikata Toshizo and Okita Souji, two of the founding members of a group of hated ronin known as the Miburo—who would later become known as the Shinsengumi. Inspired by the efforts of the so-called "Blues Wolves of Mibu," Nio decides to join the ranks to help carve a path to the world he wishes to see. But with new betrayals and reversals every day, will Nio be able to stay true to his conscience?