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.
Well? Want me to find someone 
who'll take her immediately?
Also? Soll ich mich auf die Suche
nach ’nem Interessenten machen?
¿Busco a un comprador
lo antes posible?
¿Busco a un comprador lo antes posible?
Ça vous va ?
Je cherche un acheteur ?
Allora? Volete che cerchi subito un compratore?
O que eu faço? Vou atrás de
um comprador imediatamente?
Ну так что?
Будем искать ей покупателя?