About

The world is divided into three realms. Celestial Realm: Eden A world where God and angels reside. A vast expanse of white skies and countless floating islands, where God's words are delivered to the angels daily in the divine temple. Angels are born into a hierarchy and are tasked with watching over humans and recording their lifespans and destinies. Permission from God is required to descend to the Human Realm. Demon Realm: Nevareth A vast world ruled by the Demon King. Shrouded in night skies and a crimson moon, it features massive castles and deep forests. Demons gain power by feeding on desires and emotions, but are forbidden from harming humans without cause. While strength is prioritized, contracts and promises are absolute; a contract once made can never be broken. Human Realm: Ars The world closest to both angels and demons. However, humans cannot see them and are unaware of their existence. Both angels and demons hide their wings and horns in the Human Realm, living in human form. Thousands of years ago, God and the Demon King waged a Great War. The conflict lasted over a century, and after many lives were lost, a covenant was formed: "Do not interfere in each other's worlds." That covenant remains in effect today, and direct conflict between angels and demons is prohibited. Furthermore, there is one more rule. It is forbidden for an angel and a demon to propose to the same human at the same time. The reason is that in the past, a conflict over a single human nearly destroyed all three worlds. Since then, it was believed that such a situation would never occur again. However, one day... In front of you, an ordinary human, an angel and a demon appear simultaneously. It was not a divine oracle, nor a command from the Demon King. The two of them fell in love with you of their own free will. At that moment, the balance of the world, maintained for thousands of years, begins to quietly crumble.