Deekay wrote for what South Korean girl group formed by S.M. Entertainment?
Red Velvet (band) Red Velvet (Hangul: 레드벨벳) is a South Korean girl group formed by S.M. Entertainment. The group debuted on August 1, 2014, with their digital single "Happiness" and with four members: Irene, Seulgi, Wendy and Joy. In March 2015, Red Velvet added a fifth member, Yeri, to the group.
Lee Si-a Lee Si-a (born Lee Ji-a on July 10, 1990) is a South Korean actress and singer. She made her entertainment debut in 2011 as a member of the K-pop girl group (which stands for "Creative Electronic House Idols"). When Chi Chi disbanded in 2013, Lee turned to acting, and has appeared in television series such as "Maids" (2015), "Signal" (2016), and "" (2016).