Echo. The TV animation "Knight of the Star Carving Dragon" is adapted from the original light novel of the same name by Japanese light novel writer Rui Zhishi. The article tells the story that after Echo was rescued, she eventually became the man's lover. The story takes place in Yaxiu, a student of "Ansari Dragon Riding Academy". He educates young people and girls, and Echo has become his own partner. He and other companions are describing the story of growing up through various events.