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.
I mean, if they have the time and 
money to pop off some giant bottle rocket,
أقصد إذا كان لديهم الوقت والمال
،لإطلاق صاروخ عملاق
Aber wenn sie die Moneten haben,
Feuerwerk in den Himmel zu schießen,
Si pueden permitirse
lanzar fuegos artificiales,
Si pueden permitirse
lanzar fuegos artificiales,
Mouais. Je préférerais
qu’ils améliorent notre quotidien
Però, se hanno le risorse 
per sparare fuochi d'artificio,
Mas, se eles têm tempo e dinheiro
para lançar um rojão gigante,
Ну не знаю. Если у них есть
деньги запускать фейерверки,