The Lord Angel or usually called Sir Tenshi, is the head of the heaven that organized everything inside the realm, from military, education, and rituals.

He's a diligent person always praying to the goddess whenever he can, his bright halo indicating that the goddess reply to him.

Enma is the new demon lord of the hell realm, whose planning to end the long war that has been going between heaven and hell.

While Enma vision make him look like a pacifist, he is quite a ruthless lord when dealing with anyone who doesn't share the same vision as him.

Saku is one of enma right hand man, along side Aon she's the demon lord trusted subordinate. Many rumors surrounding her that she's enma "lover" because of her demonic race as a succubus, but in reality enma never try to enter saku personal boundary.