In a world where humanity has colonized other planets, a young girl named Shirley lives on a remote celestial body. She is known as the Galaxy Girl, possessing extraordinary abilities that set her apart from others. Her life takes an unexpected turn when she encounters a mysterious boy who claims to be from the planet Panda. This enigmatic boy, dubbed Panda Boy, possesses powers that are the polar opposite of Shirley's, and their encounter sets off a chain of events that will change their lives forever. As they navigate their newfound connection, they must also confront the secrets of their past and the mysteries of the galaxy, all while unraveling the truth behind their extraordinary abilities and the connection that binds them together.