Ryouka has done the following roles in anime.

Air (TV)	Touno Minagi
Angel Links [debut]	Li Meifon
Arad Senki Slap Up Party [2009]	Gale
Armitage III: Dual Matrix	Naomi Armitage
Beast Wars	Black Widow
Beast Wars	Navi-ko
Boku ha Tomodachi ga Sukunai Next [2013]	Stella
Brigadoon	Momoi sisters
Brigadoon	Kushatohn
Brigadoon	Mano Midori
Buso Renkin	Tsumura Tokiko
Candy Boy [2008-2009]	Sakurai Yukino
Card Captor Sakura	Akizuki Nakuru
Dead Mount Death Play [2023]	Lecleria Lofirald
Dual! Parallel Trouble Adventure	Alice
Figure 17 -Tsubasa and Hikaru-	?
Geneshaft	Remi Levi-Strauss
Geneshaft	Kei
Hacka Doll The Animation [2015]	Hacka Doll 0
Hacka Doll The Animation [2015] {episode 2}	idol
Haiyore! Nyaruko-san W [2013]	Kuune
Idolmaster Xenoglossia	Yasuhara Hotaru
Initial D {2nd Stage}	Akiyama Katsumi
Kaitou Tenshi Twin Angel (TV) [2011]	Nine Violet
Kami Nomizo Shiru Sekai 2 [2011]	Katsuragi Mari
Kami Nomizo Shiru Sekai [2010]	Katsuragi Mari
Kami Nomizo Shiru Sekai Megami-hen [2013]	Katsuragi Mari
Kami-sama Minarai Himitsu no Kokotama [2015]	Kirarisu
Kami-sama no Inai Nichiyoubi [2013]	Diva
Kill la Kill [2013]	Kiryuuin Satsuki
Koutetsu Tenshi Kurumi	Tsunami
Love Live Nijigasaki Gakuen School Idol Doukoukai [2020-2022]	Shizuku's mother
Mahou Shoujo Lyrical Nanoha A's [2005]	Shamal
Mahou Tsukai ni Taisetsuna Koto (Someday's Dreamers)	Goto Ayano
Motto To LOVE Ru [2010]	Momioka Lisa
Naruto	Yamanaka Ino
Naruto	Yamanaka Ino
Night Wizard The Animation [2007]	Lion Gunta
Queen's Blade [2009]	Cattleya
Samurai Girl Real Bout High School [2001]	Reiha
Senkaiden Houshin Engi	Oukijin
Shugo Chara! [2007-2009]	Nana
Sister Princess [2001]	Marie
Sister Princess Re Pure [2002]	Marie
Slow Loop [2022]	Minagi Hinata
Tetsuwan Birdy Decode [2008]	Nechla Geeze
To Aru Kagaku no Railgun [2009]	Yanagisako Aomi
To LOVE Ru [2008]	Momioka Lisa
To LOVE Ru Darkness [2012]	Momioka Lisa
Tokimeki Memorial [1999]	librarian
Utawarerumono [2006]	Eruruu
X -Ekkusu- (TV) [2001-2002]	Kishu Arashi
Yahari Ore no Seishun Love Kome ha Machigatteiru [2013]	Hiratsuka Shizuka