Shion Wakayama (Japanese: 若山 詩音, Hepburn: Wakayama Shion; born February 10, 1998) is a Japanese voice actress affiliated with the Himawari Theatre Group. She joined the group at the age of three and did acting in various television dramas. She later became a voice actress and was cast in her first lead role as Aoi Aioi in Her Blue Sky. Some of her other major roles include Yume Minami in SSSS.Dynazenon, Cosette Schneider/Destiny in Takt Op. Destiny, Takina Inoue in Lycoris Recoil, Ai Mie in The Girl I Like Forgot Her Glasses, Ellen Joe in Zenless Zone Zero, Yunli in Honkai: Star Rail, Lemon Yakishio in Too Many Losing Heroines!, and Momo Ayase in Dandadan.
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Biography
Wakayama was born in Chiba Prefecture on February 10, 1998. She joined the Himawari Theatre Group at the age of three. In 2002, she was cast in her first role as Natsu in Toshii to Matsu. Being a fan of video games, Wakayama wanted to pursue a career in voice acting. She had a leading role for the anime film Her Blue Sky.
In 2022, Wakayama voiced Mai Kawai in Police in a Pod and Takina Inoue in Lycoris Recoil. In 2023, she was a recipient of the Best New Actor Award at the 17th Seiyu Awards. She voiced Momo Ayase in Dandadan.
Filmography
Films
2019
Her Blue Sky as Aoi Aioi
2021
Farewell, My Dear Cramer: First Touch as Sawa Echizen
Bright: Samurai Soul as Sonya
2023
Gridman Universe as Yume Minami
Girls und Panzer das Finale: Part 4 as Jouko
2025
Tatsuki Fujimoto Before Chainsaw Man as Yuri Kōnosu
2026
The Irregular at Magic High School: The Movie – Yotsuba Succession Arc as Kotona Tsutsumi
Web anime
2024
Negative Happy as Chroe/Chroe Takanashi
Video games
2021
World Flipper as Sariha
Azur Lane as Yume Minami
2023
Grandchase:Dimensional Chaser as Ganymede Jupiter
Ys X: Nordics as Lila
Magia Record as Heruka (Arc 2.5) and Takina Inoue (Agent Magica ~ Magireco x Lycoreco ~ event)
Reverse: 1999 as Necrologist
2024
Zenless Zone Zero as Ellen Joe
Honkai: Star Rail as Yunli
Genshin Impact as Lan Yan
Ghost of Yōtei as Kiku
2025
Death Stranding 2: On the Beach as Tomorrow
MementoMori as Yildiz
Reverse: 1999 as Lopera
2026
Arknights: Endfield as Perlica
Dubbing
The Hate U Give as Starr Carter (Amandla Stenberg)
Scream 7 as Tatum Evans (Isabel May)
Vesper as Vesper (Raffiella Chapman)
Bambi II as Thumper's Sister