There is little doubt that ONEUS already has an amazing discography that includes several awesome tracks. However, it looks like the boy group has two excellent surprises for their fans before the end of the year. Ravn, Leedo, Seoho, Keonhee, Hwanwoong, and Xion have just taken part in the first online concert CRUSH ON Ø US, where they performed hits like "Lit," "To Be or Not To Be," and "Dead or Alive." In addition to that, there were two new singles teased during the concert that are set to be released in December.

ONEUS had been teasing about a special surprise for Tomoons in late October before the news was confirmed in early November. CRUSH ON Ø US would be the idol group's first online concert that also offered a chance to watch the members rehearse during their soundcheck. Additionally, some fans could get the chance to see what happens backstage after the concert. Needless to say, Tomoons were excited about the event.

Not surprisingly, even the members of ONEUS were hyped up about the concert and couldn't help but drop some teasers about the upcoming event. At one point, Tomoons noticed that the idols kept using the same emojis in their tweets, which turned out to be spoilers for the new singles that would be revealed at CRUSH ON Ø US.

The line-up for CRUSH ON Ø the US was interestingly diverse, taking the best of ONEUS' discography and adding some cool new surprises. For instance, the idols performed the remixed versions of "Twilight" and "Valkyrie.' Ravn, Leedo, Seoho, Keonhee, Hwanwoong, and Xion also performed the stage breaks they are known for and were joined on stage by their brother group ONEWE. However, the highlight of the event was undoubtedly the reveal of the two new singles.

The first song revealed was "Cold Leftovers," which featured ONEUS dancing while seated at a dinner table. The second single, "BBUSYEO," which has already been teased on the group's official Twitter account, was revealed later in the concert and was even performed twice.

CRUSH ON Ø US and the two new singles are just some of the awesome treats that ONEUS have prepared for their fans before the end of the year. The boy group also announced their 2021 Seasons Greetings package as well as the first official lightstick lovingly dubbed "Bing Bong."

ONEUS will release the MV for "BBUSYEO" on December 1 at 6:00 PM KST.