EXID's surprise sleeper hit Up & Down, fuelled by member Hani's sexy fancam, continues its ascent up the charts this week by climbing two spots to No. 5.

It's the group's highest-charting single to date by far, easily beating the No. 36 peak of their 2012 debut, Whoz That Girl.

The No. 1 song of the week belongs to ballad king Sung Si Kyung's Christmas single Don't Forget, followed by A Pink who stay put at No. 2 with LUV.

Super Junior's Kyuhyun is still going strong with his solo single At Gwanghwamun, which is back up two spots to No. 3, while rapper Master Wu's Come Here featuring Dok2 and Bobby arrives at No. 8.

Meanwhile, trending girl group AOA continue to show staying power as their latest hit Like a Cat remains at No. 10 for a second consecutive week.

INFINITE's latest subunit INFINITE F debuts at No. 23 with My Heart Is Beating, followed by boy band BtoB's Christmas single You Can Cry at No. 24.

Last but not least is new female soloist Shannon, who arrives at a solid No. 32 with her first single Daybreak Rain. This is quite good for a rookie female pop artist, especially one from a smaller agency like Shannon.

Check out this week's top K-pop hits below!

No. 1. Sung Si Kyung - Don't Forget

No. 5. EXID - Up & Down

No. 23. INFINITE F - My Heart Is Beating

No. 24. BtoB - You Can Cry

No. 32. Shannon - Daybreak Rain

When it comes to music, it's as if I have a boomer's soul.

Despite falling neatly in the middle of the millennial generation, I was raised on Johnny Cash, Bobby Darin, and the Everly Brothers–which is to say, I understand nothing. Why is Billie EIlish so sad? What does Lizzo dream about? Who said Ed Sheeran was allowed to have a career? What's "DaBaby?" And then there's Harry Styles. Oh, Harry Styles: a beacon of (maybe) bisexual boy band energy and tutu-wearing masculinity. I can dig it. But then he released "Watermelon Sugar." Rolling Stone greeted its arrival by saying "Harry Styles Yearns for Taste of 'Watermelon Sugar.'" They wrote that the "track has the singer nostalgic for 'that summer feeling,' yearning for berries and the taste of watermelon sugar." Aw, so wholesome, so sweet.

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It looked like A Pink were going to land their first No. 1 single this week with "LUV," but the adorable girl group were blocked from the top by legendary ballad singer Park Hyo Shin's new single, "Happy Together."

"LUV" settles for second place, but A Pink can be compensated in the fact that all five tracks from their new mini-album managed to debut in the top fifty.

A few spots down, EXID's "Up And Down" jumps a huge 27 places to No. 7. As Popdust previously reported, the sudden popularity of "Up And Down" is all down to a fan-recorded video of member Hani performing the song's sexy choreography that went viral in Korea a fortnight ago.

AOA's "Like a Cat" spends a third week in the top ten at No. 10, while rapper LOCO debuts at No. 19 with "You Don't Know."

GOT7's "Stop Stop It" --despite its disappointing debut last week-- manages to spend a second week in the top forty at No. 38, while MAMAMOO's "Piano Man" rockets up 46 places to No. 41.

MBLAQ's gorgeous seasonal ballad "Spring, Summer, Fall, And... Winter" arrives at No. 60, followed by Sunny Hill's "Here I Am" at No. 68.

Ex-KARA member Nicole continues to struggle with her solo single "MAMA," which slips down to No. 80, but it's nothing compared to T-ara's Korean remake of the Chinese novelty hit "Little Apple," which debuts at No. 91 -- the lowest position of the group's career. However, considering that it's just a one-off special collaboration single that isn't being fully promoted in Korea, you can't really hold its chart position up to T-ara's official single releases.

Check out this week's new K-pop hits below.

No. 2. A Pink - LUV

No. 7. EXID - Up And Down

No. 41. MAMAMOO - Piano Man

No. 60. MBLAQ - Spring, Summer, Fall, And... Winter

No. 91. T-ara - Little Apple