On February 8, 2006, Kitade released her first EP, Slave of Kiss, which peaked at #79 on the Oricon chart.
The EP included a cover of the Princess Princess song, "Kiss".
The cover also appeared on the Princess Princess tribute album, 14 Princess: Princess Princess Children.

Beginning on April 27, 2006, Kitade released 13 songs in a row.
These were available exclusively via cell phone downloads, each for 100 yen.
Each song was released on the 7th, 17th, or 27th of each month until August 27, 2006.
Most of the songs were covers of 1980s hit songs, but a few tracks were new.

On June 6th American anime convention Otakon announced that Kitade would be a musical guest for Otakon 2006 in August.

18: Eighteen was released in the United States through Tofu Records on July 11, 2006.

On July 12th Kitade released her second EP, Cutie Bunny, which contained six of the released cell phone songs.

On August 2, she made an in-store performance at San Francisco's Virgin Megastore and gave her first US radio interview with EigoMANGA's radio program, Shibuya Airwaves.
Then, on August 4, she made her first East Coast performance at the Ram's Head Live at Otakon.

On October 4, 2006, Kitade released her eighth single,"Kibou no Kakera", which was used as the opening theme song for the anime Demashita!
Powerpuff Girls Z. The single peaked at #64 on the Oricon singles chart.
On December 6, she released her second studio album, I Scream, which featured a cover of Green Day's "Basket Case".
On February 8, 2006, Kitade released her first EP, Slave of Kiss, which peaked at #79 on the Oricon chart. The EP included a cover of the Princess Princess song, "Kiss". The cover also appeared on the Princess Princess tribute album, 14 Princess: Princess Princess Children.
Beginning on April 27, 2006, Kitade released 13 songs in a row. These were available exclusively via cell phone downloads, each for 100 yen. Each song was released on the 7th, 17th, or 27th of each month until August 27, 2006. Most of the songs were covers of 1980s hit songs, but a few tracks were new.
On June 6th American anime convention Otakon announced that Kitade would be a musical guest for Otakon 2006 in August. 
18: Eighteen was released in the United States through Tofu Records on July 11, 2006.
On July 12th Kitade released her second EP, Cutie Bunny, which contained six of the released cell phone songs.
On August 2, she made an in-store performance at San Francisco's Virgin Megastore and gave her first US radio interview with EigoMANGA's radio program, Shibuya Airwaves. Then, on August 4, she made her first East Coast performance at the Ram's Head Live at Otakon.
On October 4, 2006, Kitade released her eighth single,"Kibou no Kakera", which was used as the opening theme song for the anime Demashita! Powerpuff Girls Z. The single peaked at #64 on the Oricon singles chart. On December 6, she released her second studio album, I Scream, which featured a cover of Green Day's "Basket Case".
Nana Kitade