A human child whose life experience is a mystery was actually spoiled and became a little demon king. But who knows, not long after the good times, the little demon king who somehow offended the boss of the fairy world suddenly became one of the thousands of civil servants of the demon clan, and has lived in dire straits ever since... The diligent demon civil servant Shou has been living in seclusion next door for many years.
Concept: To create daily life from mythology