Last Song

2015

CS NUMBERS (CS NUMBERS)

2014

Everlasting

2014

My Baby U (애기야)

2010

Couple - Special Single (커플 (Couple) - Special Single)

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SIGnature

EP • 2024

2024 SINGLE ALBUM [SEO IN GUK]

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이재, 곧 죽습니다 OST Part 2

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THE X

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Fallen

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Seo

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Minamdang (Original Television Soundtrack, Pt. 6)

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LOVE&LOVE

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Doom at Your Service (Original Television Soundtrack), Pt. 7

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Love U

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