
Sei Ashina was born Igarashi Aya, and assumed the stage name Sei Ashina. Prior to her acting career, Ashina was a model. She made her acting debut in the 2002 TBS Television series The Tail of Happiness (しあわせのシッポ), modeling that year in magazines including Shogakukan's CanCam and Shueisha's Pinky, and was best known for starring as Hime in Kamen Rider Hibiki. She was also known for her role as The Girl, an unnamed concubine, in Silk (2007).

as Maika Hayashibara

as Tsukimi Usako

as Aoi Nagasawa

as Driver

as Ofumi

as Kaori Kitada (segment "Our Birthday")

as Risa Yumehara

as Yuiko Matsubara

as Yuiko Matsubara

as Midori Yuki

as Yuiko Matsubara

as Yuiko Matsubara

as Yuki Midori

as Natsuko

as Hoshiko Nishina

as 由香

as Chekov

as Ritsuko Mizuhara

as Ryoko Makida

as Mikumo

as Kyoko Sawara

as The Girl

as Minami Miyata

as Satomi

as Sayoko