 She made a second appearance with TVXQ on November 24, 2007 in Malaysia for the same concert, and was TVXQ's regular guest star for their "O" Asia tour until its finale in June 2008.Zhang's first Mandarin album, "I Will" was originally announced to be released in late 2007, but the release date was pushed to early March 2008.The album was finally released in different regions of China starting March 3, 2008 and on March 28, 2008, "I Will" made its Asia-wide release.