is a Japanese voice actress and singer from Kanagawa Prefecture. She is affiliated with Office Osawa. She is known for voicing Mei TÃ Âmi in Cue!, Madoka Higuchi in The Idolmaster Shiny Colors, Tanya in My One-Hit Kill Sister, Hinano Hoshikita in Pole Princess!! and Juria Igarashi in Himitsu no AiPri.
Rio Tsuchiya, a native of Kanagawa Prefecture, was born on 19 August 1997. In 2016, she starred in the public audition for the voice acting stage performance Genji Monogatari: Yà Âkà  no Hime, Yà «yami no Kimi.
In December 2020, she was cast as Ranka in SSSS.Dynazenon. In April 2022, she was cast as Shakuyaku in In the Heart of Kunoichi Tsubaki. In October 2022, she was cast as Tanya in My One-Hit Kill Sister. In November 2022, she was cast as Hinano Hoshikita in Tatsunoko Production's Pole Princess!! anime project. In March 2023, she was cast as Yukari Tsubaki in My Love Story with Yamada-kun at Lv999. In August 2023, she was cast as Hezera and Grea in Ragna Crimson.
In October 2019, she was cast as Mei TÃ Âmi in the video game Cue!. She performed in two singles for her in-franchise musical unit AiRBLUE Moon, "MiRAGE! MiRAGE!!" (which charted at #23 in the Oricon Singles Chart) and "Reach For The World!" (which charted at #24 in the Oricon Singles Chart). She reprised her role as Mei TÃ Âmi in the game's 2022 anime adaptation.
She voices Madoka Higuchi, one of the four members of the unit Noctchill, in The Idolmaster Shiny Colors, a spinoff of The Idolmaster franchise. Tsuchiya was solely interested in starring in the franchise in general and had also auditioned for Koito and Hinana. She performed in two Noctchill singles: Gradate Wing 07 (which charted at #4 in the Oricon Singles Chart) and Layered Wing 07 (which charted at #6 in the Oricon Singles Chart).
2025