Gate Keepers is a 25 minute anime-science fiction starring Ayako Kawasumi as Ruriko Ikusawa, Takahiro Sakurai as Shun Ukiya [Main in TV/ Support in OVA: Gate Keeper 21] and Yuriko Hishimi as Kazuko Ukiya. The series premiered on Mon Apr 03, 2000 on WOWOW and The Sound of Wings (S02E06) last aired on Wed Jan 08, 2003.