Until one day we're free
to fly away from this frozen birdcage
Title: 氷の鳥籠 / Koori no Torikago / Ice Birdcage
Artist: 雨宮天 / Amamiya Sora
Single: Koori no Torikago (Kimi to Boku no Saigo no Senjou Aruiwa Sekai ga Hajimaru Seisen Ending)
Ost : Kimi to Boku no Saigo no Senjou Aruiwa Sekai ga Hajimaru Seisen / Our Last Crusade or the Rise of a New World
