Les Six Compagnons et le petit rat de l’Opéra

"Come on Kafi! There's nothing interesting over there," he said. But Kafi doesn't want to move. As Tidou, exasperated, grabs him by the collar, the companions hear muffled sobs. Carefully, they approach and find a young girl in tears, her head in her hands... Will Tidou and his friends be able to discover what hides this despair?