Seo Dong Sung (서동성) is a South Korean singer and Bassist. He is a member of the band N.Flying and was the leader and member of the boy group HONEYST. References This article is a stub. You can help Kpop Wiki by expanding it. Retrieved from "https://kpop.fandom.com/wiki/Seo_Dong_Sung?oldid=157587" Categories: 1996 births April births Person article stubs Singers Male singers HONEYST Seo Dong Sung N.Flying Community content is available under CC-BY-SA unless otherwise noted.