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.

在未来，南极的上空出现了被称为“通路”的蘑菇云般的时空通路，外星生物“迦姆”利用它发动了对地球的攻击。经过33年惨烈的战斗，人类终于将“迦姆”封印于道路的彼端——菲雅利星球。然后，随着迦姆的消失，人们开始渐渐淡忘了这件事，但战斗仍然在菲雅利星球继续着…… 原作《战斗妖精雪风》为荣获日本科幻大会星云赏的神林长平小说代表作，由精于3D动画以《青之六号》《Last Exile》为代表作的Gonzo小组改编为OVA，另有著名的Production.I.G和航空自卫队的协助，打造了这部史上最真实的硬科幻空战动画。所有空战用语均极为专业，为体验速度感，小组成员还亲自乘坐F15战机以求得灵感。总共花了五年时间，打造出这部金字塔级的硬科幻作品。故事与画面的张力，让其他任何一部空战类作品望尘莫及。