is a Japanese actress, voice actress and singer from Sapporo, Hokkaido, who is affiliated with Stardust Promotion. She is known for playing Sailor Mercury in two stage play adaptations of Sailor Moon in 2014 and 2015, and for playing Karen Aijō, the protagonist of the multimedia franchise Revue Starlight. She is also a member of the musical group .
On April 23, 2020, it was announced Koyama will take a hiatus in May due to vocal cord surgery.
Biography Koyama was born in Hokkaido on November 30, 1995. Her mother is a nursery teacher. From an early age, she had an interest in acting, particularly after becoming familiar with stage play adaptations of the manga series Sailor Moon; it would become her dream to perform in a play of the series.
Koyama became affiliated with the Sapporo-based acting office Egg in 2007, and she would begin performing in several theatrical plays in Hokkaido. In 2014, she was cast as Sailor Mercury in the stage musical Sailor Moon: Petite Étrangère, and she would reprise the role the following year in the stage musical Sailor Moon: Un Nouveau Voyage. At some point in her career, as she was unsure of what her future held, she considered retiring from acting and pursuing a different career. Following a recommendation from the director of the Sailor Moon stage plays, who was surprised to hear that she was not a voice actress, she decided to try out voice acting. After passing an audition held by the talent agency Stardust Promotion, she became affiliated with them in 2017 and moved to Tokyo.
In 2017, Koyama was cast as Karen Aijō, the protagonist of the multimedia franchise Revue Starlight. Her participation in the series began when she played Karen in the franchise's stage play, which was initially performed at the AiiA 2.5 Theater in Tokyo; she would then reprise the role in the 2018 anime television series. To promote the series, she appeared at panels at C3 AFA Singapore, and CharaExpo USA in 2018. She has also been cast as the character Haruka Shima in the multimedia franchise Onsen Musume. In 2019, she and two other voice actresses from Hokkaido, Miharu Hanai and Reia Hayasaka, started hosting a radio program on STV Radio.
In 2020, she played the role of Elma in Interspecies Reviewers.
Filmography
Stage plays + List of performances in stage plays Year Title Role Notes Source 2013 KobuTa Run De Boo 2014 Pretty Girl Sailor Moon: Petite Étrangère Ami Mizuno/Sailor Mercury 2015 Pretty Girl Sailor Moon: Un Nouveau Voyage Ami Mizuno/Sailor Mercury 2017 Shōjo Kageki Revue Starlight: The LIVE #1 Karen Aijō 2018 Shōjo Kageki Revue Starlight: The LIVE #1 revival Karen Aijō 2018Shōjo Kageki Revue Starlight: The LIVE #2 TransitionKaren Aijō2019Shōjo Kageki Revue Starlight: The LIVE #2 revivalKaren Aijō2020Shōjo Kageki Revue Starlight: The LIVE ONLINEKaren Aijō2020Shōjo Kageki Revue Starlight: The LIVE Seiran BLUE GLITTERKaren Aijōguest appearance2021Shōjo Kageki Revue Starlight: The LIVE #3 GrowthKaren Aijō2022Shōjo Kageki Revue Starlight: The STAGE Junior High RegaliaKaren Aijōguest appearance2023Shōjo Kageki Revue Starlight: The LIVE #4 ClimaxKaren Aijō
Anime + List of voice performances in anime Year Title Role Notes Source NTR: Netsuzou Trap As part of SoundOrion Ending theme episodes 4–6 Revue Starlight Karen Aijō Rebirth Kei Tōdō Interspecies Reviewers Elma Love Live! Nijigasaki High School Idol Club Drama club president episodes 1-2, 8, 12 Teppen!!!!!!!!!!!!!!! Laughing 'til You Cry Chihori Hokuto
Video games + List of performances in video games Year Title Role Notes Source Onsen Musume Haruka Shima Shōjo Kageki Revue Starlight: Re LIVE Karen Aijō 100% Orange Juice Teotoratta
References
External links Official agency profile