The Other Earth (もう一つの地球,Mōhitotsu no chikyū?) is the fifteenth episode of CROSS ANGE Rondo of Angel and Dragon, it first aired in Japan on January 17, 2015.
Ange, Tusk, Vivian and the Villkiss are transported by DRAGONs to a castle in the mountains, where Vivian is soon shot with a dart and taken away. Ange and Tusk are taken to see the High Priestess and her council, where not only Ange's temper gets away from her, but Tusk is under a lot of scrutiny. Things look grim until Salamanday, the pilot Ange met above Arenzal, offers them hospitality and to show the two their world. During a tea ceremony, Ange's patience runs thin and she attempts to take their hostess hostage where Salamanday not only shows Ange how they survived on their Earth, but also the source of the Mana of Light and the truth of the war between Arenzal and the DRAGONs and Embryo. Ange tries to attack Salamanday, but is quickly subdued. She wakes up in a hospital bed with a human Vivian looking after her, and learns that Vivian can now control her transformations thanks to Dr. Gecko adjusting her DRAGON gene. They hear Tusk yell in the next room, where Ange and Vivian find a naked Tusk strapped to a table and surrounded by a bunch of young DRAGONettes. Dr. Gecko thanks Tusk for cooperating as there are few humanoid males around and they learned a lot about sex, much to Ange's anger. Afterwards Ange and Vivian meet Salamanday and another DRAGON female who actually is Vivians' mother and the DRAGONs plan a festival for her return. During the festival, Salamanday's guards meet with Ange and Tusk asking them to learn about them, and they in turn want to learn. Tusk asks Ange if they really need to return to their Earth, which Ange does not have an answer for yet.
