"Gundam 00" is a Japanese anime series that is part of the larger Gundam franchise. Set in the future, it follows a group called Celestial Being that aims to eliminate war through the use of advanced mobile suits known as Gundams. The story explores themes of conflict, peace, and the impact of technology on society. The series features a diverse cast of characters, including Setsuna F. Seiei, the main protagonist, who pilots the Gundam Exia. Throughout its two seasons, "Gundam 00" delves into the complexities of human relationships and the moral dilemmas faced by those involved in warfare.