Hoping to follow in the footsteps of her father, 16-year-old Noriko Takaya enlists in the Girls' Space Corps to become a spaceship pilot. Secretly, she also plans to avenge the death of her beloved dad, whose spacecraft disappeared years ago after being attacked by fearsome insectlike aliens. As the long-running war against the bugs heats up, Noriko must learn to fly Earth's most powerful weapon, the Gunbuster, in this anime series.
Kamizaka Haruhi having been rescued when she was young by a mage, longed to be a mage herself, so she enrolled into a special school that allows regular and magic classes into two different sections. Together with her rival/best friend, Hiiragi Anri, they study magic together while she is searching for the boy that saved her years ago, to give him a Valentines' chocolate.