Seongyeon (성연)

Park Seongyeon, who performs under the name Seongyeon, is the maknae of the South Korean girl group OUTLET (아웃렛).

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That is the extent of what the provided material can honestly support. Expanding beyond it would require inventing discography, dates, or career events not present in the source — which this outlet's standards do not permit. A fuller profile can be written once additional verified material is available.