D.On

Name: D.On
Native name: 디온
Also Known as: 서원기, Seo Won Gi, Di On
Nationality: South Korean
Gender: Male
Born: November 23, 1992
Age: 33

Seo Won Ki, known professionally as D.On, is a South Korean musician and former member of TOUCHED (터치드).

He was convinced by fellow graduates (Do Hyeon and Seung Bin) from Seoul Arts University to join the band as the main guitarist.

He made his debut in December 2020 with the single "Blue" and won the 31st Yoo Jae Ha Music Festival. It was the first time in the history of the competition that bands were allowed to participate. In 2022, they entered the band competition show "Great Seoul Invasion" and won 1st place with the song "Alive".

In December 2023, Faction A Like announced his departure from the band due to personal reasons.

(Source: MyDramaList) Edit Biography

Year	Title	#	Role	Rating
2024	ENA K-Pop Up Chart Show Korean TV Show, 2024, 7 eps (Ep. 6) (Guest)	7	(Ep. 6) Guest	0.0
2023	The Seasons Season 2: Choi Jung Hoon’s Night Park Korean TV Show, 2023, 14 eps (Ep. 13) (Guest)	14	(Ep. 13) Guest	7.9
2022	Great Seoul Invasion Korean TV Show, 2022, 12 eps [Contestant] (Regular Member)	12	[Contestant] Regular Member	7.4
2017	I'm Live Korean TV Show, 2017, 451 eps (Ep. 315) (Guest)	451	(Ep. 315) Guest	8.0
2011	Immortal Songs: Singing the Legend Korean TV Show, 2011, 800 eps (Ep. 597-598, 618-619, 634-635) (Guest)	800	(Ep. 597-598, 618-619, 634-635) Guest	8.2

Top 12 upcoming dramas on every fan's watchlist

Editorials - Sep 19, 2026

From highly anticipated adaptations to gripping thrillers, the upcoming drama lineup has something for every fan. With teasers already dropping, these 12 dramas are generating plenty of buzz even before their premieres. Here are the titles to keep on your