For generations, Beings known as Rancore have been disrupting human life. In doing so, they manifest what is known as an unborn core, which spawn into monstrous creatures. These monstrous creatures are known as Remunanto. A boy by the name Gren Zaru, has been fighting Remunanto for years. After being sent what he believes to be supernatural messages, he decides to take action. With a power known as Vybe and an ancient sword, he embarks on a journey to unfold the dangers of his world on a planet known as Rocnar.