1. BLACKPINK Black is a South Korean girl group formed by YG Entertainment. The group consists of four members: Jisoo, Jennie, Rosé and Lisa. They officially debuted on August 8, 2016 with the single album Square One, which included their first number-one hit "Whistle", and "Boombayah", which topped the Billboard World Digital Songschart. Their first five singles have sold 113,000 digital downloads in the United States as of August, 2017. You should check out their song Boombayah

2. TWICE is is a South Korean girl groupformed by JYP Entertainment through 2015. The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu. The group debuted on October 20, 2015 with their single Like Ohh Ahh

3. KARD (also stylized as K.A.R.D or K♠RD) is a South Korean co-ed group formed by DSP Media. Their lineup consists of J.seph, B.M, Somin and Jiwoo. They made their official debut on July 19, 2017 with the EP Hola Hola. You should check out their song Oh Na Na

4. Red Velvet 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. You should check their newest song Peek-A-Boo

5. Monsta X ‎often stylized as MONSTA X) is a South Korean boy group formed by Starship Entertainment through the survival show No Mercy on Mnet in 2015. The group is composed of seven members: Jooheon, Shownu, Kihyun, Hyungwon, Wonho, Minhyuk, and I.M. You check out their song Beautiful

6. ‎Weki Meki also known as WEME (위미), is a South Korean girl group formed by Fantagio in 2017. The group consists of eight members: Ji Suyeon, Elly, Choi Yoo-jung, Kim Do-yeon, Sei, Lua, Rina, and Lucy. You should check out their song I don't like you're gilfriend.