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The Little Prince, released on January 28, 2016, marks Ryeowook's solo debut in the K-pop industry. Named after Antoine de Saint-Exupéry's novella, the EP consists of six tracks that showcase Ryeowook's sweet and soulful vocals. The title track of the same name blends elements of pop and R&B, capturing the essence of the novella's themes of love, friendship, and the pursuit of happiness.