In the near future, much of the world has been forgotten at the bottom of the ocean due to rising sea levels. Natsuki Ikaruga, who lives in a small town surrounded and stranded by the sea, is invited by a mysterious woman, Catherine, to search for a treasure in his grandmother's house who was a marine geologist. One day, he dives to the bottom of the ocean in a submarine and encounters a mysterious capsule with a girl sleeping inside. The girl was a humanoid so sophisticated that she could be mistaken for a human.
She's two generations newer than this one.
إنّها أحدث بجيلين من هذا
Ja. Ein Nachfolgemodell
der zweiten Generation hier.
Dos generaciones posteriores a esa.
Dos generaciones posteriores a esa.
Deux générations après celle-ci.
Sì, due generazioni più avanzata di questa.
É duas gerações mais nova
do que esta aqui.