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.
Is this a prank?
هل هذا مقلب؟
Soll das ein Scherz sein?
Tu me fais une farce ?
È uno dei tuoi scherzi?!
Isso é uma brincadeira?
Это твоя выходка?