Prompt: \"Generate an illustration of the biblical figure David in a 'いらすとや' style. David should be depicted standing, with a gentle smile on his face. Please emphasize a positive and uplifting atmosphere. Consider adding details such as David's clothing, which can be inspired by traditional biblical attire. Place him in a serene and meaningful setting. Feel free to include subtle elements that symbolize David's role as a shepherd, warrior, or other aspects of his character. The overall tone of the illustration should convey joy and tranquility.\"