Singer Sung Si-kyung, 47, recently addressed widespread dating rumors involving 29-year-old Japanese actress Miyoshi Ayaka on his YouTube channel, 'Sung Si-kyung's Mukten-dae.' He explicitly denied the romantic speculation, stating that while he considers her a lovely person, they are not in a relationship. In addition to clarifying his personal life, Sung Si-kyung shared insights into his recent 10kg weight loss journey. He credits his successful transformation to a diet focused on high-protein, 'chewable' foods like sashimi, boiled eggs, and meat, which provide satiety without significant caloric gain. | Singer Sung Si-kyung, 47, recently addressed widespread dating rumors involving 29-year-old Japanese actress Miyoshi Ayaka on his YouTube channel, 'Sung Si-kyung's Mukten-dae.' He explicitly denied the romantic speculation, stating that while he considers her a lovely person, they are not in a relationship. In addition to clarifying his personal life, Sung Si-kyung shared insights into his recent 10kg weight loss journey. He credits his successful transformation to a diet focused on high-protein, 'chewable' foods like sashimi, boiled eggs, and meat, which provide satiety without significant caloric gain.