- K. Will & Bu Sojeong, 'Because I Love You' 20161028

[Duet song festival] 듀엣가요제 - K. will & Bu Sojeong, 'Because I love you' 20161028

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[Duet song festival] 듀엣가요제 - K. will & Bu Sojeong, 'Across the Universe' 20161014

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Cultwo's manager duet with K.Will

[Duet song festival] 듀엣가요제 - Han donggeun's fad words 'I owe it to everyone.' 20161028

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[Duet song festival] 듀엣가요제 - Seung Gwan wary of Bu Sojeong's love line 20161028

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Love is all about timing

BOOREUM - Topic

When I First Saw You - K.Will & Hyorin (Sistar)

[IDOL RADIO] Because I love you(Yoo Jaeha) by HWIYOUNG duet with YOUNGHOON♬♪

[Duet song festival] 듀엣가요제 - Seventeen SeungKwan's sister, Bu sojeong participant! 20161014

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Charice and K. Will duet — 'Endless Love', on The Muzit

Elsie and k.will

[1round] 'Nab-ddeuk' vs 'JJondeugi' - Because I love you , 복면가왕 20191103

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