Astro is a South Korean boy band created by the Fantagio production agency in 2016. Its members are JinJin (leader), MJ, Cha Eun-woo, Moon Bin, Rocky, and Yoon San-ha. The group made its debut in February 2016 with the single "Hide & Seek," also included on the Spring Up EP. Two more EPs appeared that year, Summer Vibes in July and Autumn Story in November. Astro kept a... Wikipedia