Sei Ashina
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).
Movies
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Last Line Detective Tsuyoshi Iwakura
AI Amok
Maika Hayashibara
Good People
A Murder Is Announced
Tsukimi Usako
Kishu Hanshu Yoshimune
Perfect World
Aoi Nagasawa
Killing for the Prosecution
Driver
Neck Bowed in the Rain
Ofumi
Uta Monogatari: Cinema Fighters Project
Kaori Kitada (segment "Our Birthday")
Impossibility Defense
Risa Yumehara
Specialist 4
Yuiko Matsubara
Specialist 3
Yuiko Matsubara
ST: Aka to Shiro no Sôsa File the Movie
Midori Yuki
Pancakes
Specialist 2
Yuiko Matsubara
Specialist
Yuiko Matsubara
ST Keishichou Kagaku Tokusou-han
Yuki Midori
Love Police
The Tale of Genji: A Thousand Year Enigma
Yugao
Hard Romanticker
Natsuko
Brutus's Heart
Hoshiko Nishina
Rooftop Apartment
由香
The Last Revenge
Nanase futatabi
KING GAME
Chekov
Kaidan Horror Classics
Cat Taxi
Saru Lock: The Movie
Ritsuko Mizuhara
Kazura
Ryoko Makida
Elevator Trap
Kamui
Mikumo
Kamogawa Horumo: Battle League in Kyoto
Kyoko Sawara
Je t'aime: I Am a Beast
Silk
The Girl
Cycle Soul Apartment
Minami Miyata
World's End / Girl Friend
Satomi
Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni
Hime
Kamen Rider Hibiki: Asumu Transform! You can be an Oni, too!!
Super Hime
Koibone
Sayoko
Damned Files 6
TV Series
Ano Ko ga Umareru...
3 Episodes
The Ship of Theseus
Noriko Sasaki
10 Episodes
The Tragedy of the “W” Prefectural police
8 Episodes
Hand of God
5 Episodes
One Page Love
Yaginuma Yoriko
6 Episodes
The Good Wife
Misaki Kuriyama
1 Episode
The New King
8 Episodes
It Was Fun Last Night
6 Episodes
Kuroshoin no Rokubei
6 Episodes
Daisy Luck
10 Episodes
Copyface
6 Episodes
Natsuko Kira
1 Episode
The Specialist
Yuiko Matsubara
10 Episodes
Futagashira
10 Episodes
ST MPD Scientific Investigation Squad
10 Episodes
Kurokouchi
Madarame Yaeko
10 Episodes
The Knife and the Sword
Kaede
17 Episodes
Yae's Sakura
Yukiko Jinbo
50 Episodes
Soumatou Kabushikigaisha
Kurose Yuka
1 Episode
Cleopatra na Onnatachi
8 Episodes
The Future is in Our Hands!
Nakanishi Sara
6 Episodes
Keigo Higashino 3-week drama SP series
仁科星子
1 Episode
Kaidan Horror Classics
1 Episode
ねこタクシー
12 Episodes
Untouchable
Misuzu Makise
9 Episodes
Real Clothes
11 Episodes
Saru Lock
Ritsuko Mizuhara
13 Episodes
Giragira
8 Episodes
Bloody Monday
Kaoru Minami
20 Episodes
Je t'aime: I Am a Beast
Yuka Murakami
7 Episodes
スワンの馬鹿 こづかい３万円の恋
카즈키 아야나
10 Episodes
Angels with Broken Wings
1 Episode
Dollhouse
Mei
10 Episodes
Stand Up!!
Uehara Mio
11 Episodes
AIBOU: Tokyo Detective Duo
Fuko Kazama
15 Episodes
Emergency Room 24 Hours
奈良さやか（なら さやか）〈29〉 演 - 芦名星
10 Episodes
Kamen Rider
Hime
48 Episodes