On February 20, OnlyOneOf (온리원오브) posted on their official YouTube Channel a video where they received their 1 million subscribers gold youtube play button. One month ago, the group made a community post thanking fans (lyOn's) for the accomplishment. 

As of February 2023, this would be the second official play button the group would receive from YouYube after debuting in 2019. Two years ago, they officially received a silver button for crossing the 100,000 subscribers mark. In the silver play button video posted around 2 years ago, they even mention about the possibility of getting a gold play button in the future. 

Currently, OneOneOf (OOO) is promoting their latest Japanese comeback chrOme arts as well as actively posting teasers for 'seOul cOllectiOn' and 'seOul drift' in their youtube community posts. Congrats to OnlyOneOf (OOO) and lyOn's on the achievements!