After a stint of appearing in dramas and variety shows, she made her voice acting debut in the 1997 OVA Jungle de Ikou! as the protagonist Natsumi Rokudou (as well as her Older Alter Ego Mii).
Sendai is most well known for voicing Milk/Milky Rose in Yes! Pretty Cure 5 note , as well as Arika Amakaze in Medabots, Rei Saotome in Yu-Gi-Oh! GX, Runo Misaki in Bakugan, Tsubaki Kasugano (aka the Sixth) in Future Diary, and Chikagi Katsuragi in any Type-Moon related media .
She's a talented web designer as well. Uses the alias Sora Haruka in H-titles.
Notable roles by Eri Sendai:
- Angelia Avalonne in Arcana Heart 2
- Atsuko Hongō in Yomigaeru Sora — Rescue Wings
- Aoba Takatsu in Code:Breaker
- Arika Amakaze in Medabots
- Ayaka in ×××HOLiC
- Ayumu Oume in Best Student Council
- Furfur in Umineko: When They Cry ~ Nocturne of Truth and Illusions
- Chikagi Katsuragi in Mahoutsukai no Hako and Carnival Phantasm
- Dronya in Labyrinth of Refrain: Coven of Dusk
- Generia G. in Hyperdevotion Noire: Goddess Black Heart
- Haruma (young) in Chocotto Sister
- Inaba Meguru in Sabbat of the Witch
- Iris in Rockman.EXE
- Princess Justine in the JP dub of Robotboy
- Kana Suzuki in Daitoshokan no Hitsujikai (credited as Sora Haruka in the original VN)
- Kiyone Nonomiya in My-HiME
- Kōrin in The Story of Saiunkoku
- Kuan Kitayama in Happy Seven
- Leara in Wolf's Rain
- Limestone ("Limes") in SHUFFLE! Episode 2
- Lyon in Suikoden V
- Maho Suzuki in Gunparade Orchestra
- Meakyu in Tales of Crestoria
- Miffy Rotin in Chrome Shelled Regios
- Milk/Kurumi Mimino/Milky Rose in Yes! Pretty Cure 5 (by far her most famous role)
- Mizuki in Lady Jewelpet
- Princess Mary in Yu-Gi-Oh!
- Nanami Hoshi in Dragonaut: The Resonance
- Natsumi Rokudou/Mii in Jungle de Ikou! (her debut role)
- Nijouin Hazuki in Riddle Joker
- Rei Saotome in Yu-Gi-Oh! GX
- Runo Misaki in Bakugan
- Saho Shimatani in Majin Bone
- Sakie Amamoto in Night Head Genesis
- Satori Komeiji in Touhou Danmaku Kagura
- Sheila Colombo in Majikoi! Love Me Seriously! (credited as Sora Haruka in the original VN)
- Shiho Kubota in Futari wa Pretty Cure
- Shinsen in D-Frag!
- Shīka's Sister in Mushi-Uta
- Shizuku Ishiki in King of Thorn
- Sherry in Sisters of Wellber
- Toddifons in Arknights
- Takako "Caesar" Suzuki in Girls und Panzer
- Tomotake Yoshino in Senren * Banka
- Touka Takanashi in Love, Chunibyo & Other Delusions!
- Triela in Gunslinger Girl (first season only, darrin'd by Atsuko Enomoto)
- Tsubaki Kasugano (aka the Sixth) in Future Diary
- Yūhi Shimahara in Neo Ranga
- Yukari Morita in Rocket Girls
