Acting Seo Jeong-hyeon No English biography on TMDB yet.TMDB page Filmography (3) Summer FeverSeries · 2026 · as Seo Yu-jun · 4 ep.★ 6.5 Winter FeverSeries · 2026 · as Seo Yu-jun · 4 ep. Romeo and Romeo and JulietSeries · 2025 · as Lee Ji-su · 35 ep.★ 8.0
