Cras numquam scire

Cras numquam scire is the first opening theme for the 2011 anime Dantalian no Shoka (The Mystic Archives of Dantalian / ダンタリアンの書架), produced by Gainax and performed by Daisuke Ono. The song was released as a single on August 31, 2011, and was composed by Daisuke Ono.

Blending orchestral and pop elements, the track fits the series' atmospheric fantasy setting. Its title is commonly translated as "Tomorrow will never know."