Comet (12 years old in human years) is the princess of the Harmonica Star country and was to meet the prince of the Tambourine Star country at a ball where he'd pick a bride. But he isn't there and so Comet is sent to Earth to find him. He'll be known by the starlight in his eyes. She finds the Earth and she loves the people she meets there. Meanwhile, Princess Meteor of the Castanet Star country also arrives on Earth in search of the prince. Comet's companion is a little puppy with a star at the end of his tail named Rubba Ball. Of course, Comet was not the first to visit the Earth and love it, another before her did as well and married. Her pet (a white cat with bunny ears and a tiny heart on her tail named Bunny) continued life as a kind of fairy in the forest. Comet's power is drawn from the stars of her home and is channeled through her baton; she also wears a special pendant from where Rubba Ball immerges, and with which she can detect and find the prince.

Our heroine has been kidnapped and her two somewhat ditzy friends decided to save her in a war machine they found in her house. Unfortunately they have little idea of how it works so let the random destruction begin.

Tokio is a junior high student living in the present time who is recruited to be a member of the 24th century's Space-Time Administration Bureau. Together with his partner Calen, their mission is to uncover the "True History", the part of history that the textbooks doesn't tell. But in their way is the Akudama Trio that intends to prevent the True History from being revealed for their own personal gains. (Source: Wikipedia)

Trying to find his own game of baseball, and not that of his brothers, Tatsuya moves to America and pitches for a poor, struggling minor league baseball team called the Emeralds. Meanwhile, Minami is still in Japan, trying to find her own path after quitting gymnastics. Inspired by a photograph of her final performance, she becomes the photographers assisstant. (Source: ANN)