Kaoru, a friend from the piano class Ruli once attended, has gone missing. While searching for her, Ruli and the gang find a strange dent and her shoes. And as they continue their search, Hiro is suddenly asked a mysterious riddle.
I am human civilization.
أنا الحضارة البشريّة
Soy la civilización humana.
Soy la civilización humana.
Sono la civiltà umana.
Eu sou a civilização humana.
Ответ: человеческая цивилизация.