Seo Won Ki, known professionally as D.On, is a South Korean musician and lead guitarist of the co-ed rock band TOUCHED. He was convinced by fellow graduates (Do Hyeon and Seung Bin) from the Seoul Arts University to join the band as the main guitarist. They debuted in 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".
(Source: Korean = Namu Wiki || Translation = MyDramaList)
