In Kishiryu Sentai Ryusoulger– Ep. 7: The Princess of Planet Cepeus, Towa and Banba come across an alien named Cardena along their way. They learn that the Druuidon had invaded her homeworld of Cepeus, and she fled to Earth for her life! Then, just after Cardena shortly arrived, a new powerful opponent, Wiserue arrives on Earth! Cardena asks the Ryusoulgers to help save her sister, who has been captured by Wiserue!