In a World of Overpowered Heroes, I Just Want to Clock Out

A veteran labor arbitration lawyer transmigrates to another world and becomes a personnel department clerk in the Demon King's castle. Faced with the hero party's “996 Demon-Slaying Order,” which demands endless overtime, and the Demon King's demand that his subordinates sign a “Voluntary Dedication Agreement,” she chooses to take up the weapon of the law and sue both the heroes and the Demon King.