In late 2016, Erie Abe announced that she would be leaving the entertainment industry by the end of year. Before that, Dream released their first photobook titled "dreamはDreamの夢を見る。(dream wa Dream no yumewomiru。)" after 14 years of the 4 members being together on November 30. The book describes the turbulent history of the group, the number of difficulties they had to face, the twists and turns in their career and the firm bond the members have. On December 31, 2016, Erie Abe officially left the group in hopes of studying abroad.