Owari wa Dochira (終焉（おわり）はどちら Which One is the End??), sometimes read as Shūen wa Dochira due to its kanji, is Himegami Aisa's image song sung by Aisa's Japanese voice actor Mamiko Noto. It appears as the fourth track on the Toaru Majutsu no Index Archives 2, and was released on June 10, 2009.