Prompt: \"Illustrate in the 'いらすとや' style the reign of King David over Israel. Depict King David in a regal and wise posture as he governs the nation. Show scenes of justice, prosperity, and unity under his rule. Include key elements that symbolize David's leadership, such as a royal throne, a harp (referring to his musical talents), and a crown. Showcase a harmonious and thriving kingdom with content and grateful citizens. Convey the sense of a wise and benevolent ruler overseeing the prosperity of the land.\"