Aion: The Tower of Eternity This is the behind the scenes video for Forgotten Sorrow, one of the songs of Aion. Interview with Kunihiko Ryo(Yang Bang Ean) and Yozoh. Subs coming soon! Video from the official korean site. — A koreai főcímdalhoz készült interjú. Oct/2008 All rights reserved by NCSoft. Forgotten Sorrow – 보이지 않는 슬픔(Kor.Ver) by Yozoh