Seon Seung-yeonWritingNo biography available.Known For6.4Highway Star20075.9The People Upstairs2025Fan ClubNo Nerds have favorited Seon Seung-yeon yet — be the first.All fan clubsFrom NerdspinFilmographyWriting22025The People UpstairsFilmWriter★ 5.92007Highway StarFilmWriter★ 6.4
