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.
Who is that?
من هذا؟
Wer soll das sein?
¿Quién es ese?
¿Quién es ese?
C’est qui ce gus ?
E chi sarebbe?
Que é esse cara?
Это ещё кто?