What girl group writes and composes their own music and also debuted a single and music video on the same day?
Wee Woo Wee Woo (stylized as WEE WOO) is a song recorded by South Korean girl group Pristin for their first mini album "Hi! Pristin" (2017). It was released as the album's title track on March 21, 2017, and served as the group's debut single. An accompanying music video also premiered on the same day. The song was written by Sungyeon, one of the members from the group, Bumzu, Sophia Pae and Gustav Karlstrom.
Kiseki (BeForU song) "Ki Se Ki" (stylized as KI・SE・KI) is the first single by Japanese girl group BeForU. The title song was written by Riyu Kosaka and Naoki Maeda. It was released on November 18, 2004 through Konami. This single is the first to include new members Risa Sotohana, Miharu Arisawa and Sayaka Minami, and included new versions of previously released songs "Chikara", "Firefly" and "Graduation" featuring vocals of the members.