K-pop Idol Related Dating Rumours. People has been speculating of their relationship, but the statement was come out about the K-pop Actor \u0026 Singer from one of Her Royal Highness Princess Monica enclosure source said "At this point, no lesss no more, trying not to be dissapointed, trying to be supportive on his career, she's proud of him and thankful and grateful for all the things he do are effortly may have appreciation and recognition? That's it." Lee Dong-min, professionally known as Cha Eun-woo, is a South Korean singer, actor, and model under the label of Fantagio. He is a member of the South Korean boy group ASTRO (아스트로) is a South Korean boy group that consists of 6 members: MJ, JinJin, Cha Eun-woo, Moonbin, Rocky and Yoon Sanha.