Robby to Kerobby

op Seishun! Love Launch

青春!LOVEランチ

Isozaki Takeshi/Niigaki Risa/Athena & Robikerottsu/Mitsui Aika/Nakajima Saki/Okai Chisato

op Shouri no Big Wave!!!

勝利のBIG WAVE!!!

Yozuca/Niigaki Risa/Athena & Robikerottsu/Mitsui Aika/Nakajima Saki/Okai Chisato

op Meguru Koi no Kisetsu

めぐる恋の季節

Tsunku/C-ute

op Koko ni Iruzee!

ここにいるぜぇ!

Tsunku/Tsuji Nozomi

in Robbykero March

ロビケロマーチ

Yukino Satsuki/Haneoka Kei/Itou Miyako/Kawahara Yuuji

in Koko ni Iruzee!

ここにいるぜぇ!

Tsunku/Niigaki Risa