Japan in the Wonderful Song Contest

{{legend|gold|Winner}} {{legend|silver|Second place}} {{legend|#cc9966|Third place}} {{legend|#FE8080|Last place}}
 * Table key

{| class="sortable wikitable" ! Edition ! Artist ! Title ! Place ! Points ! Semi ! Points
 * - bgcolor="#ccccff"
 * 6th
 * Mondo Grosso
 * Labyrinth
 * colspan=2
 * 16
 * 45
 * 🇷🇴 7th
 * 🇷🇴 7th
 * 🇷🇴 7th