The world is framed as a world where humans, angels and demons coexist.
Sivis is a demon who has lived for hundreds of years and feeds on human souls and angels.
He has great strength and superb speaking ability.
He thought he would live such a busy and peaceful life until he was killed by an angel.
Later, the devil met a human being,
Because of some small accidents, he lives with humans...
Updated from time to time, I will update when I am inspired.
Intention: loss after gain