Kurumi Kobato is a Japanese voice actor, best known for her voice-over role as Ayuhara Kozue in Attack No. 1. She was also active as a singer and later employed as a professor at Mejiro University.
The story is about Kozue Ayuhara, a girl who transferred to Fujimi College and tried out for the school volleyball team. She develops a friendship with her teammate Midori Hayakawa, and her talents impress coach Hongō more and more each day. Though she showcases extraordinary volleyball skills, she makes enemies with Yoshimura, the star of the current team. Kozue discovers that being at the top would bring stress, incompatibilities and other dilemmas into her life. Her high expectations of becoming the best volleyball player in the school, Japan and eventually the world, set the tone for the drama to follow.
The ruler of the underground world, is planning to conquer the whole world. Riding the fire dragon Isamu and Angel, the princess of the undersea kingdom, try to stop him from destorying their world.
Kozue is a high school girl and an enthusiastic volleyball player. Her dream is to play on the Japanese national volleyball team. Over the course of the series she makes it from the school district league up to the Japanese volleyball finals, step by step until the international volleyball championship. But the faster and higher Kozue climbs, the more she is confronted with the dark side of success: too-high expectations, self-conceit, and envy.