The Youngest Son of the Northern Grand Duke Decided to Divorce

### Chapter 1 The Grand Duke of the North wanted to raise a child capable of inheriting his title. Of course, the title was just a formality, and he needed to find a commander to govern the northern territories. A title alone couldn’t lead the northern army or stand against monsters and barbarians. "......Collapsed again?" "Yes. He overused his magic and collapsed," answered Tina Radiant, the third daughter of the Radiant Grand Duke family. Her younger brother had already proven his abilities, but his frail health couldn’t withstand the flow of magic. Despite his efforts, he couldn’t overcome his natural limitations. "I’ve told him repeatedly to take care of his body, but he never listens." "He probably doesn’t want to remain as he is. He must think he has to do something." "If he dies try