Hello! Project Wiki
Hello! Project Wiki

Athena & Robikerottsu (アテナ&ロビケロッツ) was a Hello! Project unit consisting of Niigaki Risa, Mitsui Aika, Nakajima Saki, and Okai Chisato.


Athena & Robikerottsu, February 2008

Athena & Robikerottsu, November 2007

On September 12, 2007, Athena & Robikerottsu was officially announced as a new unit that would sing the theme song "Shouri no BIG WAVE!!!" for the anime Robby and Kerobby, in which Niigaki Risa voices the character Athena. Niigaki had taken over the role after Tsuji Nozomi went on maternity leave, and had joined the group with Mitsui Aika, Nakajima Saki, and Okai Chisato as a result.

On October 8 and 9, 2007, Athena & Robikerottsu performed "Shouri no BIG WAVE!!!" for the first time at Morning Musume "Acchii Chikyuu wo Samasunda." Bunkasai 2007 in Yokohama.

On November 14, 2007, "Shouri no BIG WAVE!!!" was released as a single.

On January 2, 2008, Athena & Robikerottsu performed "Seishun! LOVE Lunch" for the first time at Hello! Project 2008 Winter ~Wonderful Hearts Nenjuu Mukyuu~.

On February 13, 2008, "Seishun! LOVE Lunch" was released as a single.

On March 30, 2008, the Robby and Kerobby anime ended, and Athena & Robikerottsu effectively disbanded.




  1. [2007.11.14] Shouri no BIG WAVE!!! (勝利のBIG WAVE!!!)
  2. [2008.02.13] Seishun! LOVE Lunch (青春!LOVE ランチ)

Compilation Albums[]

Total Sales Count[]

Year Year Sales Total Sales
2007 5,913 5,913
2008 6,371 12,284

External Links[]