한 D.On D.On (디온) was a South Korean Male Artist. He started in group Touched. He retired in 2023. Read All General Information International Stage Name : D.On Domestic Stage Name : Pronounce 디온 Full Name : Seo Wonki Full Domestic Name : Pronounce 서원기 Country of Birth : South Korea Related Artists : Touched - Instrumental Artist retired : 2023 Original group : Touched (No longer a member) Images