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.
Humans began to refer to them as...
...بدأ البشر يشيرون إليها باسم
Die Menschen bezeichnen sie auch als …
Los humanos los llaman…
Los humanos los llaman…
Les humains nommèrent
ces phénomènes…
Gli umani hanno iniziato a chiamarli...
Humanos começaram a chamá-los de...
Люди стали называть их...