is a Japanese model, actress and professional kickboxer. She is known for her role as Sakura Yamanami in the 2014 film High Kick Angels, and a live-action portrayal of Saya Kisaragi in Blood-C series.
She was born in Akita Prefecture but raised in Tokyo. She graduated from Nihon Newart High School and Nippon Sport Science University. She is a first dan holder in karate and judo.
Miyahara made her professional kickboxing debut against fellow debutante Kumiko Kaneko at RISE 167 on April 21, 2023. She won the fight by technical knockout, 39 seconds into the round.
|- style="background:#cfc;" | 2023-04-21 || Win || align=left| Kumiko Kaneko || RISE 167 || Tokyo, Japan || TKO (Punches) || 1 ||0:39 |- |- | colspan=9 | Legend: