Acting
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Born
December 14, 1999 (age 26)
Born in
Seoul, South Korea
Choi Se-on (최세온; born December 14, 1999), known professionally as ON (온), is a South Korean singer-songwriter and producer under XX Entertainment. He is a member of the producing team CIELOGROOVE. He is best known for participating in the reality survival shows Produce 101 Season 2 and I-LAND under the name Seon (세온).
