Owari wa Dochira

Owari wa Dochira (終焉)はどちら|Which One is the End?}}, sometimes read as Shūen wa Dochira due to its kanji, is Himegami Aisa's sung by Aisa's Japanese voice actor.

It appears as the fourth track on the Toaru Majutsu no Index Archives 2, and was released on June 10, 2009.