Yumi has done the following roles in audio drama.

Aa Megami-sama Tokuten Ou [CD]	Urd
Akuma Ningyou [CD]	nazo no onna
Almighty x10 [CD]	Haru
Angel Force [CD]	?
Angelique [CD]	Meru
Bio Hazard [CD]	?
Bishoujo Senshi Sailor Moon [CT]	Ginga Natsumi
Boys Be... [CD]	?
Choujin Gakuen Goukaizer [CD]	Ryouzaki Shaia
Cluster [CD]	Freya
Cobalt Tokimeki Drama Theater [CD]	?
Cyberbots [CD]	Marii Miyabi
D-1 Devastator [CD]	Shindou Kaoru
Da Garn Mysterious Tour [CD]	Yamamoto Pink
Dennou Sentai Voogie's Angel [CD]	Teddy Zaboy
Detonator Orgun [CD]	Kanzaki Michi
Dragon Kishidan [CD]	Seshia
DragonLance Senki [CT] {Volume 6,8}	Jasura
Elf wo Karumonotachi [CD]	Cercia Marieclaire (Pochi)
Emerald Dragon [CD]	Pharna
Eternal Melody [CD, radio]	Elfin
Eternal Melody [CD, radio]	Suishou no Megami
Exodus Guilty [CD]	Riri-nu
Fake [CD]	Izumi Yukiya
Fire Emblem [CD]	?
Fruits Basket [CD]	Hanajima Saki
Fushigi no Kuni no Miyuki chan [CD]	Harumi
Gallforce -Blue Heaven Blue Hell- [CT]	Patty
Garzey no Tsubasa [CD]	Riirins
Gin no Varukyuriasu [CD]	Ji-ra
Ginga Ojousama Densetsu Yuna Galaxy Wave [CD]	Ria (Poririina)
Himitsu Sentai Metamor V [CD]	?
Houshin Engi [CD]	Dakki (Da Ji)
Hyakkiyakoushou [CD]	?
Inferiusu Wakusei Senshi Gaiden Condition Green [CD]	?
Iriya no sora UFO no natsu [CD]	Shiina Mayumi
Kamaitachi no yoru [CD]	Kobayashi Mari
Kikou Keisatsu Metal Jack [CD]	?
Kikou Majutsushi -Enchanter- [CD] {Volume 1-2}	Fujikawa Yuka
Kirara [CD]	Imai Kirara (future)
Koko ha Green Wood FM Tokuban "Ryokurin (GW) osawagase! housoukyoku" [CD]	reporter/traffic information
Kujakuou: Ankoku Daimaou Hen [CT]	waitress
Kuro Kami no Captured [CD]	Moonsault
Langrisser Dramatic Edition Special CD [CD]	?
Legend of Crystania -Hajimari no boukenshatachi- [CD]	Rio
Lodoss Tou Senki [CD, CT] {Volume 3,4,5,6}	Deedlit
Lodoss Tou Senki Kaze to Honoo no Majin [CD]	Deedlit
Madara -Tensei hen- [CD]	?
Madara -Youchien Senki [CD]	?
Manyuu Hikenchou [CD]	Kagefusa
MAPS [CD]	Lipmilla
Marginal [CD]	?
Marriage -Kekkon [CD]	Takagi Reiko
Meiba Kazenoou [Radio]	Aguba
Mitsumete Knight [CD]	?
Mouryoukiden [CD]	Ayaka
Narue no Sekai [CD]	Haruna
Next King -Koi no Sennen Oukoku- Gaiden [CD]	Kamomiile
Ojousama ha jewel master [CD]	narrator
Outo Ayakashi Kitan [CD] {Duo 3-4}	Chihaya
Pathway for Santa Claus -Santa ga kureta okurimono- [CD]	?
Pocket Monster Sound Picture Box "Mewtwo no tanjou" [CD]	Miyamoto-chan
PopFul Mail Paradise 1, 2, 3, 4, 5 [CD]	Gau
Popful Mail The Next Generation [CD]	Gau
Prism Court [CD]	?
Puyo Puyo [CT]	Ruru
Ring (CD Book) [CD]	Izumi Yoshiko
Ru/Li/Lu/Ra [CD, Radio]	Rushi-ru
Ru/Li/Lu/Ra [Radio]	Oukin no Utahime (narrator)
Sailor Victory [CD]	Takagi Reiko
Samurai Spirits 2 Asura Zanmaden [CD]	Saya
Samurai Spirits [CD]	?
Sei naru Shoujo no Uta [CD]	Kusatsuyu Yuki
Seimaden [CD]	Ellis
Seishun Adventure [Radio] {Meiba Kaze no Ou}	?
Sekai Meisaku Ehon [CD] {Volume 6, Track 1, Hansel to Gretel}	?
Shinkai Densetsu Meremanoid [CD]	Misty Joe
Slayers Extra [CD] {Volume 4}	?
Sotsugyou (Voice Challenger vol 1) [CD]	Takagi Reiko
Sotsugyou Cross World All Stars On Stage [CD]	Takagi Reiko
Sotsugyou Crossworld [CD]	Takagi Reiko
Sotsugyou Crossworld Prologue [CD]	Takagi Reiko
Sotsugyou Graduation "Teach Me Please" [CD]	Takagi Reiko
Street Fighter II [CD] {Majin no Shouzou}	Chun Li
Super Robot Taisen Alpha [CD] {Original Score II}	Aya Kobayashi
Super Robot Taisen alpha Gaiden [CD]	Kobayashi Aya
Susume! Super Angels! [CD]	Tadao
Susume! Super Angels! [CD]	Teddy
Tales of Phantasia [CD] {Anthology 2}	Ruuche
Tales of Symphonia [CD]	Refill Sage
Tarako Pappara Paradise [CD]	Gau
Tohshinden -Before Stage- [CD]	Sofia
Tokkou Tennyo [CD]	?
Twinbee Paradise [CD] {3}	Darufii
Twinkle Saber Nova Scramble Star [CD]	?
Twinkle Saver Nova [CD]	?
Utahime [CD]	Senju Ayase
Valkyrie Profile Aishuu no Einferia [CD]	Valkyrie
Valkyrie Profile Voice Mix Arrange [CD]	Valkyrie
Vampire Miyuu (TV) Special Drama [CD] {Volume 3}	DJ Hirose Keiko
Voice Theater Series [CD] {volume 5}	?
W (Double) Juliet HCD [CD]	Narita Akane
Wedding Dress ni Akai Bara [CD]	Hanamura Masaka
Youkoso! Hohoemiryou he [CD]	?
Zombieya Reiko [CD]	Yurikawa Saki