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.
You need to listen to his orders now.
عليكِ أن تصغي لأوامره الآن
Von jetzt an tust du alles,
was er dir sagt.
Tienes que seguir sus órdenes.
Tienes que seguir sus órdenes.
Tu devras lui obéir.
e devi obbedire ai suoi ordini.
Agora você obedece às ordens dele.
Слушайся его, хорошо?