Celestial Distortion: Origins CDO

Heaven, Hell, Earth, Mystica & Abyss. 5 realms which have been at war for more than thousands of years, but after a declaration of "peace" the Kyōkai was built, on The Order's command, to separate all beings of different backgrounds. The majority were persuaded that separation from the other realms was for the best; however, a small pocket of people began to forge new ideas and change the minds of others for the better. Is it really possible to connect people by segregation? Or is it just a lie to make The Order's power everlasting? Will hopes and dreams for a harmonious future ever become a reality? Or are we all destined to live in a facade of serenity?