Shonentai (少年隊, Shōnentai, lit. Regiment of Boys) is a three-member Japanese idol group under the talent agency Johnny & Associates. They debuted on December 12, 1985. The group lead an annual musical Playzone from 1986 to 2008 for about 957 performances with a total attendance of over 1.38 million people over the course of 22 years. Members: Noriyuki Higashiyama (東山紀之, Higashiyama Noriyuki, born September 30, 1966). He has an official position in Johnny & Associates.