Little Glee Monster Is A Japanese Idol Group And Vocal Unit Formed In 2013. They Are Also Known As LGM Or Ritoguri リトグリ . The Concept Is To Create A Unit With Talented Vocalists. All The Members Were Students At The Watanabe Entertainment School. Little Glee Monster Held Their First Live Performance In May 2013. Current Members Serina 芹奈 Asahi アサヒ MAYU Karen かれん Manaka Former Members Maju 麻珠 Withdrew April 2017 YUKA Withdrew October 2013 LINA Withdrew July 2013