Karin sings a lullaby but doesn't remember how she knew it. Kunihito remembers the song while dreaming of obtaining the land blade when he was a child. He wakes up to find his remaining crew from the carrier adrift in the ocean. The carbon market is stabilized for the moment and Karin receives a cat for a visitor. Kunihito remembers that the carrier was enveloped by a light emitted from a satellite. Ryoko receives a report that their forces aren't able to close on Medusa's location due to typhoons. Karin receives a message from her parents that they will be back soon, however she laments that she's unable to leave the place, but a long-haired youth trespasses her place and invites her outside. Meanwhile the youth tries to get Karin to come out, but she vehemently refuses. She discovers that the guy wasn't captured by security on camera. Karin knows it wasn't a dream and wishes to see the guy again. True to her words, the youth reappears this time inside her room. He convinces Karin that she can interact with other people despite her protests. He invites her outside to a meeting, claiming she will find what she lost. Leon requests permission from Ryoko to view files pertaining to the Digmas. After days of waiting for help, Kunihito sees a plane headed in their direction. Karin finally leaves her home, which resembles a bird cage. She thanks the youth for helping her remember that her mother sang her the lullaby, and the youth disappears. Leon finds information pertaining to the youth, Digma Zero aka Canary, who supposedly died five years ago without having seen the outside world. As Karin finishes her song, the cat disappears as well. Kunihito as a child releases canaries from a bird cage.
Enfermée dans sa tour d'ivoire, Karin vit dans la crainte du monde extérieur et des gens qui le peuplent. Pourtant, elle ne rêve que d'une chose : sortir, ne serait-ce que pour passer un moment avec ses parents qui lui manquent tant. Un jour, un mystérieux jeune homme lui apparaît...
いくら富を手に入れても、両親は「彼女」の前に姿を現すことはなかった。
しかし謎の少年が香凜の前に姿を現す。香凜の境遇を共に嘆き悲しむが、少年は香凜を外の世界に連れだそうとする。
一方、台風の影響によって戦艦・日本武尊が沈没し、草薙少尉たちは海上に浮かぶ木の葉のように救命活動を待つ身となる。
No importa cuánta riqueza obtuviera, sus padres nunca aparecieron frente a "ella". Sin embargo, un chico misterioso aparece frente a Karin. Ambos lloran las circunstancias de Karin, pero el niño intenta llevar a Karin al mundo exterior. Por otro lado, debido a la influencia del tifón, el acorazado Nihon Takeson se hundió, y el teniente Kusanagi y otros esperaron actividades para salvar vidas como hojas flotando en el mar.