Haruki is the oldest of three sisters. Legendary voice actor Mitsuo Iwata is her uncle.
In the first grade, Haruki began practicing baton twirling, and kept at it for ten years. She has been in the acting and theater industry since her third year of middle school. Her appearances include Alice-in-Project stage productions, commercials, dramas, and music videos. She is described as optimistic and she is often seen smiling or in high spirits.
Revue Starlight 3rd StarLive "Starry Diamond"
As Miahiru Tsuyuzaki
Revue Starlight ―The LIVE― #4 Climax
As Mahiru Tsuyuzaki
Revue Starlight: The Movie
As Mahiru Tsuyuzaki (voice)
harmoe 1st LIVE TOUR
As Herself
Revue Starlight 3rd StarLive "Starry Diamond" - Documentary
As Self
Revue Starlight ―The LIVE― #3 Growth
As Mahiru Tsuyuzaki
Revue Starlight ―The LIVE Seiran― BLUE GLITTER
As Mahiru Tsuyuzaki
harmoe 2nd LIVE TOUR「GOOD and EVIL」
As Herself
Revue Starlight 1st StarLive "Starry Sky"
As Tsuyuzaki Mahiru
Revue Starlight Orchestra Live "Starry Konzert"
As Mahiru Tsuyuzaki
Revue Starlight Band Live "Starry Session"
As Mahiru Tsuyuzaki
Chainsaw Man the stage
As Kobeni Higashiyama
Revue Starlight Orchestra Concert
As Mahiru Tsuyuzaki
Revue Starlight 2nd StarLive "Starry Desert" - Documentary
As Self
Revue Starlight 1st StarLive "Starry Sky" - Documentary
As Self
Replicant Eve
Revue Starlight ―The LIVE― #1 revival
As Mahiru Tsuyuzaki
Revue Starlight: Rondo Rondo Rondo
As Mahiru Tsuyuzaki (voice)
Revue Starlight ―The LIVE― #2 Transition
As Mahiru Tsuyuzaki
Revue Starlight 2nd StarLive "Starry Desert"
As Mahiru Tsuyuzaki
Revue Starlight ―The LIVE ONLINE―
As Mahiru Tsuyuzaki
D4DJ Petit Mix
As Towa Hanamaki (voice)
Turkey!
As Sayuri Ichinose (voice)
EDENS ZERO
As Aruna (voice)
Shoujo☆Conte All Starlight
As Mahiru Tsuyuzaki
Revue Starlight
As Mahiru Tsuyuzaki (voice)
Assault Lily: BOUQUET
As Mai Thi Yoshimura (voice)
Rebirth
As Yuki Sakuragi (voice)
I Shall Survive Using Potions!
As Belle (voice)
D4DJ
As Towa Hanamaki (voice)
