Saikano: The Last Love Song on This Little Planet. is a manga, anime, and OVA series by Shin Takahashi, creator of Iihito and Kimi no Kakera. Saikano was originally serialized in Shogakukan's Big Comic Spirits magazine. A live-action movie adaptation was released in Japan on January 28, 2006 with Aki Maeda starring as Chise. The Saikano manga and anime series has been licensed and is being distributed by Viz Media in English in North America. The anime series is distributed in the UK by Manga Entertainment. Although the city is not mentioned by name in the series, many of the locations used in Saikano can by all probability be found in Otaru-shi, west of Sapporo. The train station, "Hell Hill", the Asahi Observation Hill, the view over the harbor, and the school all have similar looking counterparts in the city of Otaru.

Two worlds exist, unaware of the other`s existence. These worlds survive by competing for the use of mana. The most important beings in these worlds are known as the "chosens". These chosens must go on a journey to awaken the sleeping Summon Spirits, defeating the Desians, and restoring mana. Lloyd Irving and his friends Colette Brunel, the Chosen of Sylvarant, and Genis Sage, the smartest kid in Iselia set off on a journey with Kratos, a mysterious mercenary and Raine, Genis` sister. Along the way, they make more friends and discover the truth behind the World Regeneration. Based on the video game of the same name.

Ten years ago, the forces of the Erebonian Empire invaded the Kingdom of Liberl, nearly reaching the heart of the Capital City before Cassius Bright led a determined counteroffensive that drove them out. Liberl has managed to rebuild by using the special mix of magic and technology that the Erbonians covet. As they prepare to join the Bracers, whose use of "craft" is vital to the nation's defense, Cassius' daughter Estelle and her adopted brother Joshua learn all too well that the threat of another invasion is ever present. When Cassius' airship suddenly goes missing, the younger members of the Bright family find themselves at a pivotal point in history, deciding to launch a rescue mission by themselves!

Years ago, the fearsome Pirate King, Gol D. Roger was executed leaving a huge pile of treasure and the famous "One Piece" behind. Whoever claims the "One Piece" will be named the new King of the Pirates. Monkey D. Luffy, a boy who consumed a "Devil Fruit," decides to follow in the footsteps of his idol, the pirate Shanks, and find the One Piece. It helps, of course, that his body has the properties of rubber and that he's surrounded by a bevy of skilled fighters and thieves to help him along the way. Luffy will do anything to get the One Piece and become King of the Pirates!

Fuujin Year 130 (Medieval times when magic and gods were of great importance). Two years ago, the great war in the "Old Fuujin Continent" was controlled by the "Zenon Country" who possessed great power. In Randia, a small country to the south, the young prince Alfred is attacked by an assassin but gets saved by his friend Welles. The young prince was the last key to the revival of Randia... It was said that in legends the prince had the power to unleash the "Seal of Power" because of his blood relation. This brought fear upon the Zenon country and thus their attack.

7 years since Yuuichi Aizawa visited his aunt Akiko in her little northern town, he returns to uncover memories and secrets that have vanished from his head. He soon realises that something supernatural is happening, and that all of his new female acquaintances have links to his forgotten past.