The group fromis_9 (Roh Ji-sun, Song Ha-young, Lee Sae-rom, Lee Chae-young, Lee Na-gyung, Park Ji-won, Lee Seo-yeon, Baek Ji-heon, and Jang Gyu-ri) has become the "K-pop of the Year" song selected by Billboard.

fromis_9's title song "WE GO" was named on the "25 Best K-Pop Songs of 2021: Critics" Picks released on the official website by Billboard, a U.S. music media outlet, on December 17th (local time).

Billboard's "WE GO" is a song that allowed Roh Ji-sun, Song Ha-young, Lee Sae-rom, Lee Chae-young, Lee Na-gyung, Park Ji-won, Lee Seo-yeon, Baek Ji-heon, and Jang Gyu-ri to become a group that should be noted in 2021. With a preview of the addictive chorus shouting "Come with me now," it starts with a pop with a good hunch and soon becomes a song that continues to hover around the ear."

The title song 'WE GO' of fromis_9's second single '9 WAY TICKET,' released in May, took first place on the Bugs real-time music chart at the same time as it was released, and first place on the Gaon BGM chart for the 21st week of 2021, Japan Rakuten Music real-time, It took the first place in the weekly and monthly general charts, and it settled at the top of the iTunes K-POP chart, boasting hot popularity both at home and abroad.