東京国際フォーラム
In 1998, Iizuka performed her first concert, "VOICE ANIMAGE Presents Mayumi Iizuka First Concert" at Hall A, Tokyo International Forum. In mid-August 2010, she attended the 2010 Shenyang 2nd Anime and Computer Game Expo in Shenyang, China, and gave a small live performance and a speech in Chinese.