As announced last month, girl groups AKB48 and Idoling!!! are collaborating for an idol audition project known as "Push★1," taking place on January 31. On Friday, the event's official website revealed the participating members and announced their first single.

Created by producer Yasushi Akimoto, the group AKB Idoling!!! consists of 16 members, 8 from each of the two original units. The AKB48 members are:

• Tomomi Itano
• Mai Oshima
• Yuko Oshima
• Erena Ono
• Tomomi Kasai
• Haruna Kojima
• Atsuko Maeda
• Jurina Matsui (SKE48)

The Idoling!!! members are:

• Mai Endo
• Erika Tonooka
• Erika Yazawa
• Rurika Yokoyama
• Hitomi Sakai
• Nao Asahi
• Ami Kikuchi
• Hitomi Miyake

The combined 16-girl group will release their first single, "Chuu Shiyou Ze!," on April 1 through Pony Canyon. The song will be premiered on stage at the "Push★1" event.

The event's website also currently has information on 14 of the 16 idols who are participating in the audition, including Marie Sukegawa and Yukiko Hachisuka.