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 want a new leg, don't you?
تريد ساقاً جديدة، أليس كذلك؟
Und willst du
nicht ein neues Bein?
Quieres cambiarte esa pierna, ¿no?
Quieres cambiarte esa pierna, ¿no?
Et tu veux pas remplacer
ta prothèse, toi ?
Vuoi farti sostituire la gamba, no?
Você quer trocar essa perna, não quer?
А тебе вон ногу надо менять.