An original novel. In a toss of a coin, changes happen as it flips in the air. Changing things and affecting everything. From hero to demon. From lovers to enemies. From trust to hate. From hope to despair. From happiness to sadness. And from light to darkness. Set in the modern Japanese world. Taketo, he was just an average guy who had no idea how big his family background is. His ancestors are deeply connected to the world that is inaccessible for a normal human. In this other world, a new leader to unite warring nations is needed. His ancestors had once held this role before. It's up to Taketo now if he ever decide to continue with it. Every decision that he makes would trigger a new stage in this raging war on the other world. What can Taketo really do? In what way would he be able to end this war? What might he really be? And is he sure that this war is only happening in this other world? Uncover the secrets and the intertwined stories of our characters in this isekai inspired story.