"Ludwig is one of the main characters in the Japanese manga ""I Became the Wife of the Monstrous Crown Prince."" Ludwig is a prince from the kingdom of Lohengram and the older brother of the crown prince, Julian. The manga revolves around the relationship between Ludwig and the protagonist, a woman who is forcibly married to Julian.

Ludwig is a tall and handsome man with silver hair and sharp blue eyes. He is known for his cold and distant personality, which often leads to misunderstandings and conflicts with those around him. Despite his aloof demeanor, Ludwig is extremely protective of his younger brother and is willing to go to great lengths to ensure Julian's safety.

Ludwig's relationship with the protagonist is also complicated. At first, he views her as nothing more than a nuisance and a hindrance to his brother's future. However, as the two spend more time together, Ludwig begins to develop feelings for her and becomes increasingly conflicted about his loyalties to his brother and his own desires.

Throughout the manga, Ludwig's role as a prince and his relationship with his brother are explored in depth. As the second-born son, Ludwig has always felt overshadowed by Julian's achievements and popularity. He often struggles with feelings of inferiority and self-doubt, which are exacerbated by the pressure put on him by his duties as a prince.

Despite his flaws, Ludwig is a complex and nuanced character who adds depth and intrigue to the story. His cold and aloof exterior hides a vulnerable and conflicted soul, making him a compelling and sympathetic figure. As the story unfolds, readers are drawn deeper into Ludwig's world, and his struggles and triumphs become increasingly meaningful and poignant."