AKBIdoling!!! debuted on January 31st with the single "Chuu Shiyouze!" at the Final Championship event of Push★1. They released Chuu Shiyouze! on April 1st.
From AKB48: Itano Tomomi, Oshima Mai, Oshima Yuko, Ono Erena, Kasai Tomomi, Kojima Haruna, Maeda Atsuko, Matsui Jurina
From Idoling!!!: Endo Mai, Tonooka Erika, Yazawa Erika, Yokoyama Rurika, Sakai Hitomi, Asahi Nao, Kikuchi Ami, Miyake Hitomi