Claim: The Anime Corpse Princess has 13 episodes during its first season, titled: Aka.
Evidence: The first season, Aka (赫, Red), aired on October 2, 2008 on AT-X and finished on December 25, 2008. Produced by Feel and Gainax, the first season, also known as Shikabane Hime: Aka (屍姫 赫, Corpse Princess: Red), premiered in Japan on AT-X on October 2, 2008 and ran until December 25, 2008. "The Dead Dance"
Transcription: "Shi ga Mau" (Japanese: 死が舞う) "The Game Continues"
Transcription: "Yūgi no Tsuzuki" (Japanese: 遊戯のつづき) "Voice of Night"
Transcription: "Yoru no Koek" "Hymn of Tragedy"
Transcription: "Sanbika" (Japanese: 惨美歌) "Traitor Monk"
Transcription: "Haishinsō" (Japanese: 背信僧) "At the End of the Dangerous Run"
Transcription: "Yōsō no Hate" (Japanese: 妖走の果て) "The False Power of Words"
Transcription: "Nisegotodama" (Japanese: 偽言魂) "Serenity"
Transcription: "Yasuragi" (Japanese: 安らぎ) "Set Your Heart Aflutter"
Transcription: "Sono Mune ni Tokimeki wo" (Japanese: その胸にトキメキを) "Stars on the Ground"
Transcription: "Chi ni Hoshi" (Japanese: 地に星) "One Night"
Transcription: "Aru Yoru" (Japanese: ある夜) "Dawn"
Transcription: "Yoake" (Japanese: 夜明け) "Funeral Program for a Contracted Monk"
Transcription: "Keiyakusō Kokubetsushiki Shidai" (Japanese: 契約僧告別式次第)