Complex sentence: In 2005, Itano joined the Japanese idol girl group AKB48 as part of the first team, Team A. She also modeled for the women's fashion magazine "Cawaii!", and released her first photo book titled "T.O.M.O.row" in April 2009.
Split into simpler sentences: In 2005, Itano joined the Japanese idol girl group AKB48. After becoming a model for the woman's fashion magazine "Cawaii!", she released her first photo book titled "T.O.M.O.row" in April 2009.