Once upon a time, in the world of Kenos, the Oracle, the Apex, and the Betas have been in war for over centuries. The Oracle have no remorse for murduring the opposing sides. They set out to murder the population of the Apex and the Betas. The Apex have a big hatred for the Oracle. They have been in the biggest rivalry the world of Kenos. The Betas are the most peaceful of the clans, but have been attacked by both the Apex and the Oracle. Only the True Epsilon can stop this war. With his power, the fights can end, the world can stop withering, and the three clans can finally be in peace. We follow the story of Yun as he travels through Mu for the knowledge about becoming the True Epsilon.