Cosmic Inquisitor is a guardian who watches over a broken world. He has guarded the place ever since the wall shattered, in hopes of mitigating the world's destruction with his own powers. While Spectral Swan is a thief who travels between worlds, Cosmic Inquisitor has been searching for super energy to fix the world's wall while exercising justice in his own way. In a way, Spectral Swan and Cosmic Inquisitor are striving to achieve the same end. Due to their different values and methods, they have had numerous disagreements. As a result, their contentious relationship has become widely known, leaving people in anticipation of how it will end.