Ai Kago (加護 亜依, Kago Ai) (born February 7, 1988 in Yamatotokada, Nara, Japan) is a Japanese singer, actress, author and former Guinness World Record holder.At age 12, Kago won the 4th National Audition of Morning Musume held by the Up-Front Works Agency in 2000, which led to her admission into the extremely popular idol group as a 4th generation member. In the same year, she became a founding member of Minimoni.