ON Biography
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).
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Become a better you.
The world's most dangerous secret lies between them.
What happens behind these walls will change everything.
Share in the beauty of togetherness.
After World War II, Hitler’s deadliest lieutenant escaped.
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Same luxury. New reservations.
We hear the wilderness and it hears us.
Read between the lies.
There's more to work than life.
Defend or die.