Rika Ishikawa
Hello! Project's official website announced on January 30, 2007 that Tsuji would be voice-acting as a guest for "". She was scheduled to be double cast alongside Rika Ishikawa in , which opened on May 4, 2007 at the Nissei Theatre in Tokyo, where she was to perform until the 22nd, but due to gastroenteritis, she was eventually replaced by Hitomi Yoshizawa.