Lee Soon-kyu, who uses the stage name Sunny, is an American-born Korean singer, dancer, DJ, MC, promotional model, actress and member of the South Korean girl group Girls' Generation.
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Buy Discography: 
| Play | Soundtrack | Movie/Serie | Type | Buy song | |
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| Collar | Bossam: Unmyeongeul Humchida | performer |
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| Cheap Creeper | Make Your Move | performer |
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| Day By Day | Betoben baireoseu | performer |
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| It's Me | To the Beautiful You | writer, performer |
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| The Devastator | Lady Bloodfight | performer |
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| You Gotta Suffer a Lot to Be Happy | Hung | performer |
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