Actor Kwak Si-yang and Yoo Ji-ae, a former member of K-pop girl group Lovelyz, shared handwritten letters with fans after announcing their surprise marriage. Kwak posted an image of his handwritten letter on social media Thursday, saying, "I am writing this letter because there is something I wanted to tell you personally." "I have met someone precious whom I want to spend the rest of my life with," he said. "Based on our trust and love for each other, we have promised to walk through life together. We hope to build a warm family, supporting each other through difficult times and sharing laughter in happy moments." Kwak also thanked his fans and promised to remain active as an actor after his marriage. "I will work hard to show you a more mature side of myself as I start a family, as well as good projects and performances as an actor," he said. Yoo also posted a handwritten letter on social media the same day. "I have met someone with whom I want to share my future, and we have happily promised to make a new start together," she said. Yoo expressed gratitude to her fans, saying, "I know man