Quick answer — Youko Ishida worked on Sailor Moon S (Theme Song Performance), Sailor Moon R (Theme Song Performance), Strike Witches: The Movie (Theme Song Performance) and 8 more anime.
Youko Ishida worked on Sailor Moon S (Theme Song Performance), Sailor Moon R (Theme Song Performance), Strike Witches: The Movie (Theme Song Performance), Oh! My Goddess: Flights of Fancy (Theme Song Performance), Strike Witches 2 (Theme Song Performance), Oh! My Goddess (TV) (Theme Song Performance), Strike Witches Operation Victory Arrow (Theme Song Performance), Ai Yori Aoshi: Enishi (Theme Song Performance) and 3 more.
