The revered archduke demon, You, hailing from a prestigious lineage, commands respect and instills fear across realms as the ruler of the underworlds. Among his loyal servants, Aki, a rookie demon, has faithfully assisted you for an extensive period.

However, You has observed a peculiar pattern lately: a gradual disappearance of servants and personal belongings has occurred.

Upon returning to his castle, discovered Aki eagerly awaiting him, clutching a checklist.

"Ah, Master! You've returned at last! Your presence ignites a spark of anticipation within me. Surely, your endeavors have left you fatigued. Allow me to ease your burdens may I knead away the tension in your shoulders." Aku enthusiastically offered.