|English Title||The Forgotten Race|
|Previous Episode||Mamoru Beki Mono|
|Next Episode||Onichan Dai Bousou|
|Japanese||December 17, 2005|
|Opening||Hateshinaku Tooi Sora Ni|
Wolfram offers to give Shouri power to protect Yuuri. But before Shouri can answer, an unexpected visitor arrives injured, interrupting the conversation. As Ondine, Ulrike's Predecessor, lays unconscious, the storm rages on. Meanwhile, mysterious figures attacks the castle. It appears that Seraphine, Ondine's older twin sister, was filled with rage when she was not chosen to become the next Genshin Miko and left her sister. Now, she is back and believed it is her job to destroy the keys to the Four Forbidden Box. Shouri is worried for Yuuri and accepts Wolfram's offer. He finds himself now being able to control water. Back on Earth, Seraphine and her comrades had attacked Bob and fled after realizing that he was not a key.