Asseylum Vers Allusia starring Amamiya Sora, ALDNOAH.ZERO ED (episode 23); ALDNOAH.ZERO Original Soundtrack 2
EDIT 2015-05-05: Finally found a reliable transcription; updated to reflect that.
Composition / Arrangement: Sawano Hiroyuki
Vocals: Asseylum Vers Allusia starring Amamiya Sora
In the sky, where glittering fragments rain down, a door linked to the future was hidden within.
In truth, everyone is afraid of being hurt.
With our things to protect, with our things to destroy – why did we meet?