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.
they can at least do 
something about our livelihoods.
يمكنهم على الأقلّ إيجاد حلّ لمعيشتنا
dann könnten sie ja auch was
gegen unsere Lebensumstände tun.
podrían mejorar
nuestras vidas primero, ¿no?
podrían mejorar
nuestras vidas primero, ¿no?
au lieu de faire mumuse
avec des roquettes, pas toi ?
potrebbero anche fare qualcosa
per la vita di tutti noi!
podiam fazer alguma coisa para
melhorar a vida do povo, também.
могли бы и нам как-то
жизнь облегчить, согласен?
มันก็ชวนคิดว่า "ช่วยทำอะไรสักอย่าง
กับความเป็นอยู่ของพวกเราบ้างสิ" ไม่ใช่เหรอ