Gyomu Renraku. Tanomuzo, Katayama Bucho! in Saitama Super Arena (業務連絡。頼むぞ、片山部長! in さいたまスーパーアリーナ, "Business Contract. I'll Ask, Katayama Director! in Saitama Super Arena") was AKB48's Spring Concert in 2012, held in Saitama Super Area. The concert was renamed after Maeda Atsuko's graduation announcement to Maeda Atsuko no Namida Sotsugyou Sengen! in Saitama Super Arena - Gyomu Renraku. Tanomuzo, Katayama Bucho! - (前田敦子の涙卒業宣言！ in さいたまスーパーアリーナ　~業務連絡。頼むぞ、片山部長!~ "Maeda Atsuko's Graduation Declaration of Tears in Saitama Super Arena - Business Contract. I'll Ask, Katayama Director! - ") With the participation of SKE48, NMB48, HKT48, SDN48 and JKT48, 3 different shows were done in the time span of 3 days, from March 23 - March 25, 2012. This is the concert where Maeda Atsuko famously made her graduation announcement.

Original story by Yasushi AKIMOTO, writer of the mega hit movie One Missed Call (Chakushin Ari) series. As the project was in development with an idea of an "infectious song (Densen-Uta)", one of the staff called out..."There was a real Densen-Uta!" He discovers on the internet of a song back in 1933, Hungary, which caused mysterious deaths of many people. In "Densen-Uta", high school girls get mixed up in the Japanese version of this infectious song, and with the help of third rate gossip magazine reporter, tries to solve the mystery and horror behind the song. They come to know just how real, an urban legend can become.

Akiko Sakata was a hikikomori during her school days. She was withdrawn from social life and isolated. She goes to Tokyo and becomes a scriptwriter.

Juri, an elementary school girl, loses sight of her true self while acting out a false self to play along with her friends. Kanako, a classmate who used to be the popular girl but has been bullied lately, tells Juri that the girl she is now is not her true self, and Juri sympathizes.

The AKB48 Request Hour Setlist Best 100 2009 (AKB48 リクエストアワー セットリストベスト100 2009) was held from January 18 to January 21, 2009 at Shibuya AX. Fans made their voices heard by voting for their favorite AKB48/SKE48 original songs.

The AKB48 Request Hour Setlist Best 100 2010 (AKB48 リクエストアワー セットリストベスト100 2010) was held from January 21 to January 24, 2010 at Shibuya AX. Fans made their voices heard by voting for their favorite AKB48/SKE48/SDN48 original songs.