Since time immemorial, in the Kingdom of Major executed Melody of Happiness. It is because the world it is maintained order and peace. However, the dark ruler of the Kingdom of Minor - Mephisto - wants to plunge the world into eternal longing and sadness. For this he breaks the concert,which it had to be done Melody of Happiness and turns it into a Melody of Sorrow! Trying to save the Queen Aphrodite makes it into many small notes and orders them to hide people in the world. Only the legendary warrior Prikyua - tenderly loving the music and the associated strong friendship bonds -will be able to find all notes and protect Melody of Happiness from Mephisto servants!