Moon Bin (Korean: 문빈; born January 26, 1998) also commonly referred to by Moonbin, was a South Korean singer-songwriter and actor under Fantagio. He was a member of the South Korean boy group ASTRO and the group’s sub-unit MOONBIN & SANHA. Prior to his career as a pop idol, he worked as a child actor and model, making his first known appearance in 2006 in TVXQ’s ’Balloons’ music video, portraying a young U-KNOW YUNHO. In 2009, he landed his first acting role in the Korean drama ‘Boys Over Flowers’