- Main article: Niigaki Risa
Singles[]
Morning Musume[]
- Mr.Moonlight ~Ai no Big Band~ (debut)
- Souda! We're ALIVE
- Morning Musume Single Medley ~Hawaiian~ (Takagi Boo with Morning Musume, Coconuts Musume, Fujimoto Miki, Ishii Rika)
- Do it! Now
- Koko ni Iruzee!
- Morning Musume no Hyokkori Hyoutanjima
- AS FOR ONE DAY
- Shabondama
- Go Girl ~Koi no Victory~
- Ai Araba IT'S ALL RIGHT
- Roman ~MY DEAR BOY~
- Joshi Kashimashi Monogatari
- Namida ga Tomaranai Houkago
- THE Manpower!!!
- Osaka Koi no Uta
- Iroppoi Jirettai
- Chokkan 2 ~Nogashita Sakana wa Ookiizo!~
- SEXY BOY ~Soyokaze ni Yorisotte~
- Ambitious! Yashinteki de Ii jan
- Aruiteru
- Egao YES Nude
- Kanashimi Twilight
- Onna ni Sachi Are
- Mikan
- Resonant Blue
- Pepper Keibu
- Naichau Kamo
- Shouganai Yume Oibito
- Nanchatte Ren'ai
- Kimagure Princess
- Onna ga Medatte Naze Ikenai
- Seishun Collection
- Appare! Kaiten Zushi (as Muten Musume)
- Onna to Otoko no Lullaby Game
- Maji Desu ka Ska!
- Only you
- Kono Chikyuu no Heiwa wo Honki de Negatterun da yo!
- Pyocopyoco Ultra
- Ren'ai Hunter (last)
Morning Musume Sakura Gumi[]
Morning Musume Tanjou 10nen Kinentai[]
Athena & Robikerottsu[]
Happy 7[]
Tanpopo[]
7AIR[]
Hello! Project Seikatai[]
H.P. All Stars[]
Hello! Project Mobekimasu[]
Ganbarou Nippon Ai wa Katsu Singers[]
Reborn Eleven[]
Albums[]
Morning Musume[]
- 4th "Ikimasshoi!"
- No.5
- Best! Morning Musume 2
- Ai no Dai 6 Kan
- Rainbow 7
- 7.5 Fuyu Fuyu Morning Musume Mini!
- SEXY 8 BEAT
- Morning Musume ALL SINGLES COMPLETE ~10th ANNIVERSARY~
- COVER YOU
- Platinum 9 DISC
- Morning Musume Zen Single Coupling Collection
- 10 MY ME
- Fantasy! Juuichi
- 12, Smart
Hello! Project[]
- Chanpuru ① ~Happy Marriage Song Cover Shuu~
- Petit Best 3
- Petit Best 4
- Petit Best 5
- Petit Best 6
- Petit Best 7
- Petit Best 8
- Petit Best 9
- Petit Best 10
- Petit Best 11
- Petit Best 12
- Petit Best 13
Songs[]
Group Songs[]
- [2002.03.27] Densha no Futari (with Abe Natsumi, Ishikawa Rika, Yoshizawa Hitomi, Kago Ai, Takahashi Ai, Konno Asami)
- [2002.03.27] Suki na Senpai (with Takahashi Ai, Konno Asami, Ogawa Makoto)
- [2003.03.26] Tsuyoki de Yukouze! (with Tsuji Nozomi, Kago Ai, Takahashi Ai, Konno Asami, Ogawa Makoto)
- [2003.03.26] YES! POCKY GIRLS (Original Long Ver.) (with POCKY GIRLS)
- [2004.02.18] Suki de x5 (Morning Musume cover; with Iida Kaori, Konno Asami)
- [2004.09.14] Do it! Now (Morning Musume cover; with Iida Kaori and Fujimoto Miki)
- [2004.12.08] Lemon Iro to Milk Tea (with Takahashi Ai, Konno Asami, Ogawa Makoto, Fujimoto Miki, Kamei Eri, Michishige Sayumi, Tanaka Reina)
- [2006.02.15] INDIGO BLUE LOVE (with Kamei Eri, Tanaka Reina)
- [2006.12.13] Kotatsu no Uta ~jyuken story~ (with Yoshizawa Hitomi, Kamei Eri)
- [2007.03.27] Shanimuni Paradise (with Takahashi Ai, Fujimoto Miki, Tanaka Reina)
- [2008.11.26] Machi no Akari (Sakai Masaaki cover; with Takahashi Ai)
- [2008.11.26] Johnny e no Dengon (Pedro & Capricious cover; with Kamei Eri, Tanaka Reina)
- [2009.02.18] Yowamushi (with Michishige Sayumi)
- [2009.03.18] Take off is now! (with Takahashi Ai and Tanaka Reina)
- [2009.03.18] Jounetsu no Kiss wo Hitotsu (with Takahashi Ai, Tanaka Reina)
- [2009.07.15] Mamotte Agetai (Matsutoya Yumi cover; with Kamei Eri)
- [2010.03.17] Ano Hi ni Modoritai (with Takahashi Ai)
- [2011.10.12] Silver no Udedokei (with Tanaka Reina, Mitsui Aika, Sayashi Riho)
- [2011.10.12] Kono Ai wo Kasanete (with Takahashi Ai)
- [2018.02.07] WE ARE LEADERS! ~Leader tte no mo Tsurai Mono~ (with Nakazawa Yuko, Iida Kaori, Yaguchi Mari, Yoshizawa Hitomi, Fujimoto Miki, Takahashi Ai, Michishige Sayumi, Fukumura Mizuki)
DVDs[]
Group DVDs[]
- [2011.09.28] Alo-Hello! 5 Morning Musume DVD
Fanclub DVDs[]
- [2008.08.xx] Morning Days Vol.2
- [2010.09.xx] Morning Days 5 ~Kamei Eri, Niigaki Risa and Linlin in Nikko~
- [2010.12.xx] Morning Musume 5ki Member FC Event ~Gokigen 4ever 2010 Natsu~
- [2011.11.26] Morning Days 8 - Takahashi Ai, Niigaki Risa Fanclub Tour in Hakuba
- [2012.02.xx] Morning Musume Niigaki Risa & Fukumura Mizuki Birthday Event
- [2012.09.xx] Morning Days 11 ~Niigaki Risa & Tanaka Reina in Fukuoka~
- [2012.10.xx] Morning Days 12 ~Niigaki Risa & Michishige Sayumi in Yamaguchi~
- [2013.06.26] M-line Memory Vol.11
- [2013.10.xx] M-line Memory Vol.12
- [2014.02.xx] M-line Memory Vol.13
- [2014.06.xx] M-line Memory Vol.14
- [2014.08.xx] M-line Memory Vol.15
- [2015.06.26] M-line Memory Vol.18
- [2015.xx.xx] M-line Memory Vol.21
- [2017.xx.xx] M-line Memory Vol.23
- [2018.08.25] Takahashi Ai・Niigaki Risa FC Event AiGaki DISCO 2018 ~Time Slip~