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.
Blady Blady (Hangul: 블레이디 ) is a five-member South Korean girl group originally formed by SY6 Entertainment and currently produced by Star Planet. The group debuted on May 16, 2011 with a retro-inspired single "찌릿찌릿 (Spark Spark). Current members consist of Dayeong, Giru, Gabin, Yeeun and Tina.