Idol Royale

Idol Royale (アイドル・ロワイアル) is an annual competition held to determine the best school idol group in Japan.

Description
Winning the Idol Royale is the ultimate goal for every school idol group. Idol Royale is a big deal for everyone involved in the school idol group industry and winning it proves that a school idol group is truly the best. It brings great honor to a school idol group, especially to the school they come from.

Rules

 * School idol groups must have at least 10 songs in their entire discography.
 * The group must be active for at least five months before the competition.
 * Groups who have won in Idol Royale for five times can no longer participate but are still widely regarded as one of the best.