On May 13th, the South Korean idol group Astro won first place in Show! Champion with their comeback song “Knock.” The Astro members MJ, Jinjin, Cha Eun-woo, Moon Bin, Raki, and Yoon San-ha performed the title track of their 7th mini-album “Gateway” on the MBC program Show! Champion. Read about it at KPopStarz