Aquarion is a Japanese anime series created by Shoji Kawamori and produced by Satelight. It first aired in 2005 and is set in a futuristic world where humanity battles against mysterious beings known as Shadow Angels. The story follows a group of young pilots who operate a giant mecha called Aquarion to protect their world. The series combines elements of science fiction, romance, and action, featuring themes of love and sacrifice. Aquarion is notable for its unique design and complex characters, and it has spawned several sequels and spin-offs, expanding its universe and exploring different narratives.