Hiki Kagomori Ouji no Kenshin

Louise marries Arsenio, the neighboring kingdom’s first prince, to protect her homeland, but his repeated infidelity leaves their marriage in ruins. Shunned by her mother-in-law for not producing an heir, Louise feels isolated and heartbroken. After fleeing a humiliating scene at a royal ball, she encounters a mysterious young man in the Rose Palace. He confesses his love at their very first meeting, and Louise discovers that he is the kingdom’s long-missing second prince.