Saigou no Yakusoku (Japanese Movie) -   video source from other Details Title: 最後の約束 Title (romaji): Saigo no Yakusoku Format: Tanpatsu Genre: Human suspense Viewership rating: 19.4 (Kanto) Broadcast network: Fuji TV Broadcast date: 2010-Jan-09 Air time: Saturday 21:00 Theme song: Sora Saikano (Saishuu Heiki Kanojo: The Last Love Song on This Little Planet) -   video source from veoh Saikano (最終兵器彼女, Saish? Heiki Kanojo?, lit. She, the Ultimate Weapon or My Girlfriend, the Ultimate Weapon) is a manga and anime series by Shin Takahashi, creator of Iihito and Kimi no Kakera. Saikano was originally serialized in Shogakukan's Big Comic Spiri