Seisen no Iberia is the 1st story Maxi CD of Sound Horizon. It was published on August 1, 2007. It focuses on the Reconquista (the struggle of the Iberian peninsula between Muslims and Christians). Seisen no Iberia is translated as The Jihad of Iberia.
01- Arasoi no Keifu - 争いの系譜 - The Genealogy of Conflicts
02-' 'Ishidatami no Akaki Akuma - 石畳の緋き悪魔 - The Crimson Demon of the Stone Pavement
03 - Shinryaku Suru Mono Sareru Mono - 侵略する者される者 - The Invaders and the Invaded