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Kamei Eri&Kusumi Koharu Ahoyanen ! Sukiyanen ! (2008-11-28)

Kamei Eri and Kusumi Koharu - Mupara Tokku (2008-12-18)

Kamei Eri and Kusumi Koharu - ROQ Hit (2008-12-22)

Haromoni@ [2008/07/13] Papancake - Tsukishima Kirari starring Kusumi Koharu (Morning Musume)

Sayumi Michishige & Koharu Kusumi - Wa~ MERRY PinX'mas !

Michishige Sayumi y Kusumi Koharu - Takara no hako (Sub español)

Sayumi Michishige & Koharu Kusumi - Takara no Hako (Live)

[H!F] Kusumi Koharu - Koharu Nikki (Making of) (H264)

Koharu Kusumi - Koharu Diary - dohhhup 20080722

Niigaki Risa, LinLin y Kamei Eri - Sayonara no Kawari ni (Sub español)

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Niigaki Risa, Kamei Eri, and Linlin Fanclub Special Live [2/5]

守ってあげたい (松任谷 由実), 新垣 里沙　亀井 絵里 (モーニング娘) 音楽 歌, Risa Niigaki ＆ Eri Kamei music song

Kamei, Michishige, Tanaka - Walkie Bits

11. Hitomi Yoshizawa, Ai Takahashi, Risa Niigaki, Eri Kamei

Koharu Kusumi - Koi Kana

Koharu Kusumi - ~Balalaika~

Koharu Kusumi - Koi Kana

Koharu Kusumi - Balalaika (Live)