Kago Ai (加護亜依) is a Japanese pop singer, actress, author and Guinness Book of World Records breaking hula hoop player. At age 12, Kago won the 4th National Audition of Morning Musume held by Up-Front Works Agency in 2000, which led to her admission into the popular girl band as a 4th generation member. In the same year, she became a founding member of Minimoni. In 2004, she graduated from both the groups and formed W with Tsuji Nozomi. After a series of scandals, she was dropped by her agency. Kago is currently working towards rebuilding her career, but is still followed by scandal. In 2014, she formed a group called Girls Beat!!.