AKB Idoling! (AKB Idoling!!!) is a Japanese female idol unit formed in 2009. is a Japanese female idol unit formed in 2009. It is a collaboration unit of 16 members selected from the idol group AKB48 and the idol group Idoling! The unit debuted on April 1, 2009 with the single "Chu wo Shitae! （The members selected for the 1st single were Tomomi Itano, Atsuko Maeda, Hina Kojima, Yuko Oshima, Erena Ono, Tomomi Kawanishi, Jurina Matsui, and Mai Oshima from AKB48, and Mai Endo and Erika Tonooka from Idoling! The 16 members are Mai Endo, Erika Tonooka, Erika Tanizawa, Rurika Yokoyama, Hitomi Sakai, Nao Asahi, Ami Kikuchi, and Hitomi Miyake from Idoling! Based on the J-Pop/idol pop genre, the group attracted attention with songs that combined the popularity and character of both groups. Their debut song, " Let's Chu-Yo! reached the top of the Oricon singles chart, and the coupling song "Chu wo Sho Ze! s "Moteki no Uta" cover by AKB48 and AKB48's "Aimai" by Idoling! s "Motejiki no Uta" and a cover of AKB48's "Aitakatta (I Missed You)" by Idoling!