Netizens were delighted by an unexpected pairing, consisting of ZEROBASEONE Sung Hanbin and SISTAR19, who did an impressive "NO MORE" dance challenge.

Here's what people are talking about!

ZEROBASEONE Sung Hanbin, SISTAR19 Dances to 'NO MORE,' ZEROSEs, Star1s Impressed with Cover

On January 19, KLAP Entertainment uploaded one of SISTAR19's "NO MORE (Ma Boy)" dance challenges on its official YouTube channel. However, this time, the duo featured a special guest, who was none other than Sung Hanbin of ZEROBASEONE!

Watch their dance challenge here:

In the comments section, Korean netizens were blown away by the trio's unexpected collab, with some thanking Hanbin for supporting his seniors' comeback. Others were simply amazed by Hanbin's consecutive dance challenges with the entire K-pop industry.

Read their comments below:

• "Hanbin and SISTAR19 are a combination. Thank you for supporting the seniors."
• "Hanbin! How are you making all the dance challenges come true? I'm happy today because I have Hanbin, my treasure, the most precious person in the world."
• "SISTAR unnies and Hanbin are doing a challenge. I will watch this challenge video every day from now on."
• "Wow, that's cool. It's a challenge with charismatic sisters. Our Hanbin succeeded."
• "Our Hanbin slaying while keeping up with Hyolyn and Bora!"
• "I'm still listening to SISTAR unnies' song. ​I still like it. Thank you for filming the challenge with our Hanbin."

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The video was also shared in an online community, where international fans expressed their joy seeing Hanbin and SISTAR19 in one clip.

Netizens even hoped that SISTAR19's comeback could signal a new beginning for the sub-unit and not a one-time thing. Meanwhile, others declared their love for the song and commented how good SISTAR19's new music was.

• "Loving this Sistar19 comeback. Hyolyn and Bora look great, and the music didn't disappoint. I hope this subunit isn't a one-time thing anymore."
• "You know what I like this kid and Jiwoong from ZB1. Probably the most interesting boy group from the late 4th generation."
• "Can we talk for a second about this song? Because it's been on my repeat since it was released. SISTAR19, I love you."
• "This song is truly such a bop. I know SISTAR19 used to make good music but I wasn't expecting it to be actually 'good' good right now."

• "Please support SISTAR19, their new song is so good, I have it in repeat!"

• "It is on repeat all day along and I really love the song, my fave 2nd gen K-pop."

What was your reaction to Hanbin and SISTaR19's "NO MORE" dance challenge? Let us know in the comments below!

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Written by Riely Miller