AKB48 Chiba Erii joined new agency On her birthday, Kanagawa-born AKB48 member Chiba Erii announced that she is joining the new agency, Mitsuru Co., Ltd. Chiba Erii also says she will expand her career as a model. Yokoyama Yui Team 8 is also in the same agency as Chiba Erii. You Might Also Like: