Eiji Akaso

Akaso Eiji

  • Name: Akaso Eiji
  • Native name: 赤楚衛二
  • Also Known as: Akaso Mamoru
  • Nationality: Japanese
  • Gender: Male
  • Born: March 1, 1994
  • Age: 30
Akaso Eiji is a Japanese actor and model, known for playing Ryuga Banjou in Kamen Rider Build. He is currently represented by Tristone Entertainment.

He belonged to the Nagoya model office "FORM JAPAN" when he was in his teens. He was active as a model and talent under the name Mamoru Akaso (赤楚 衛, Akaso Mamoru). In 2010, he joined the local idol group "BOYS AND MEN" in Nagoya, working on stage performances and regular appearances of variety shows. Eiji is said to have left "BOYS AND MEN" in 2011. Originally, he entered the entertainment agency because he wanted to be an actor and not an idol.

He won the Grand Prix at the men's model audition of Samantha Thavasa in 2013, which became the turning point for him to audition in Tokyo at the age of 19. The trigger that lead Eiji to drop out of university and to enter the world of entertainment was a call from the CEO of his current agency in 2014. In 2015, he transferred to his current agency Tristone Entertainment, working as an actor and starring in television dramas and films in his current stage name. Edit Biography
Drama
Year Title # Role Rating
2025 Sozoku Tantei
Japanese Drama, 2025, 10 eps
Haie Nao (Main Role)
10
Haie Nao
Main Role
0.0
2024 Re: Revenge - Yokubo no Hate ni
Japanese Drama, 2024, 11 eps
Tendo Kaito (Main Role)
11
Tendo Kaito
Main Role
7.4
2023 Kocchi Muite yo Mukai-kun
Japanese Drama, 2023, 10 eps
Mukai Satoru (Main Role)
10
Mukai Satoru
Main Role
7.6
2023 Pending Train: 8:23, Ashita Kimi to
Japanese Drama, 2023, 10 eps
Shirahama Yuto (Main Role)
10
Shirahama Yuto
Main Role
7.8
2023 Kazama Kimichika: Kyojo Zero
Japanese Drama, 2023, 11 eps
Urihara Junji (Main Role)
11
Urihara Junji
Main Role
7.7
2022 Mai Agare!
Japanese Drama, 2022, 126 eps
Umezu Takashi [Mai's childhood friend] (Support Role)
126
Umezu Takashi [Mai's childhood friend]
Support Role
7.7
2022 Ishiko to Haneo: Sonna Koto de Uttaemasu? - Director's Cut
Japanese Drama, 2022, 10 eps
Oba Ao (Support Role)
10
Oba Ao
Support Role
7.8
2022 Ishiko to Haneo: Sonna Koto de Uttaemasu?
Japanese Drama, 2022, 10 eps
Oba Ao (Support Role)
10
Oba Ao
Support Role
8.0
2022 Shiosuke to Amami: Soba ga Dekiru Made Tantei
Japanese Drama, 2022, 6 eps
Oba Ao (Ep. 3) (Guest Role)
6
Oba Ao (Ep. 3)
Guest Role
7.7
2022 Hiru
Japanese Drama, 2022, 6 eps
Shinomiya Yuki (Main Role)
6
Shinomiya Yuki
Main Role
7.3
2021 Super Rich
Japanese Drama, 2021, 11 eps
Haruno Yu (Main Role)
11
Main Role
7.1
2021 Kanojo wa Kirei datta
Japanese Drama, 2021, 10 eps
Higuchi Takuya [Editorial staff] (Main Role)
10
Higuchi Takuya [Editorial staff]
Main Role
8.0
2021 Uchi no Musume wa, Kareshi ga Dekinai!!
Japanese Drama, 2021, 10 eps
Yuto ["Silent Knife"'s vocalist] (Ep. 3-4, 10) (Guest Role)
10
Yuto ["Silent Knife"'s vocalist] (Ep. 3-4, 10)
Guest Role
8.0
2020 Cold Case: Shinjitsu no Tobira Season 3
Japanese Drama, 2020, 10 eps
Hirayama Yosuke (Ep. 6) (Guest Role)
10
Hirayama Yosuke (Ep. 6)
Guest Role
8.2
2020 Kansatsui Asagao 2
Japanese Drama, 2020, 19 eps
Miyata Ichiro [Takagi Harue's neighbor] (Ep. 13) (Guest Role)
19
Miyata Ichiro [Takagi Harue's neighbor] (Ep. 13)
Guest Role
8.1
2020 30-sai made Dotei Da to Mahotsukai ni Nareru rashii
Japanese Drama, 2020, 12 eps
Adachi Kiyoshi (Main Role)
12
Main Role
8.1
2020 Tantei Yuri Rintaro
Japanese Drama, 2020, 5 eps
Satsuki Shota [Emma's lover] (Ep. 2) (Guest Role)
5
Satsuki Shota [Emma's lover] (Ep. 2)
Guest Role
7.1
2020 Bishoku Tantei Akechi Goro
Japanese Drama, 2020, 9 eps
Nonaka [Waiter] (Ep. 3) (Guest Role)
9
Nonaka [Waiter] (Ep. 3)
Guest Role
7.5
2020 Eizouken ni wa Te o Dasu na!
Japanese Drama, 2020, 6 eps
Kobayashi (Support Role)
6
Kobayashi
Support Role
7.5
2019 Nee Sensei, Shiranai no?
Japanese Drama, 2019, 6 eps
Kido Riichi (Main Role)
6
Main Role
7.3
2019 Watashi Danna o Shea Shiteta
Japanese Drama, 2019, 10 eps
Matsuda Hideaki (Support Role)
10
Matsuda Hideaki
Support Role
7.6
2019 Kasouken no Onna Season 19
Japanese Drama, 2019, 34 eps
Kawakami Natsuo (Ep. 31) (Guest Role)
34
Kawakami Natsuo (Ep. 31)
Guest Role
8.0
2019 Innocence: Enzai Bengoshi
Japanese Drama, 2019, 10 eps
Isawa Tokunori [Hosundo law office paralegal] (Support Role)
10
Isawa Tokunori [Hosundo law office paralegal]
Support Role
7.7
2018 Kamen Rider Zi-O
Japanese Drama, 2018, 49 eps
49
Guest Role
7.5
2017 Kamen Rider Build
Japanese Drama, 2017, 49 eps
49
Main Role
8.3
2017 Frankenstein no Koi
Japanese Drama, 2017, 10 eps
(Ep. 1) (Guest Role)
10
(Ep. 1)
Guest Role
7.3
2017 Kamen Rider Amazons Season 2
Japanese Drama, 2017, 13 eps
Nagase Hiroki (Support Role)
13
Nagase Hiroki
Support Role
7.3
2017 Nobushi no Gourmet
Japanese Drama, 2017, 12 eps
[Actor] (Ep. 5) (Guest Role)
12
[Actor] (Ep. 5)
Guest Role
7.8
2016 Tokyo Joshi Zukan
Japanese Drama, 2016, 11 eps
Kohei [Cafe waiter] (Ep. 9-11) (Guest Role)
11
Kohei [Cafe waiter] (Ep. 9-11)
Guest Role
7.8
2015 Omotesando Koukou Gasshoubu
Japanese Drama, 2015, 10 eps
Ishikawa Shou [First army] (Support Role)
10
Ishikawa Shou [First army]
Support Role
7.8
Movie
Year Title Role Rating
2025 366 Nichi
Japanese Movie, 2025,
Makiya Minato (Main Role)
Makiya Minato
Main Role
0.0
2024 Roku Nin no Usotsukina Daigakusei
Japanese Movie, 2024,
Hatano Shogo (Support Role)
Hatano Shogo
Support Role
7.4
2024 Moshimo Tokugawa Ieyasu ga Sori Daijin ni Nattara
Japanese Movie, 2024,
Sakamoto Ryoma [Chief secretary] (Support Role)
Sakamoto Ryoma [Chief secretary]
Support Role
0.0
2023 Zom 100: Bucket List of the Dead
Japanese Movie, 2023,
Tendou Akira (Main Role)
Tendou Akira
Main Role
7.3
2022 Cherry Magic! Thirty Years of Virginity Can Make You a Wizard?!: The Movie
Japanese Movie, 2022,
Adachi Kiyoshi (Main Role)
Main Role
8.2
2022 The Sunday Runoff
Japanese Movie, 2022,
Iwabuchi Yuki (Support Role)
Iwabuchi Yuki
Support Role
6.6
2021 The Great Yokai War: Guardians
Japanese Movie, 2021,
Amanojaku (Support Role)
Amanojaku
Support Role
7.2
2020 Keep Your Hands Off Eizouken!
Japanese Movie, 2020,
Kobayashi (Support Role)
Kobayashi
Support Role
7.7
2020 Love Me, Love Me Not
Japanese Movie, 2020,
Inui Kazuomi (Main Role)
Main Role
7.6
2019 Kamen Rider Build NEW WORLD: Kamen Rider Grease
Japanese Movie, 2019,
Support Role
7.5
2019 Kamen Rider Build NEW WORLD: Kamen Rider Cross-Z
Japanese Movie, 2019,
Main Role
7.3
2018 Kamen Rider Heisei Generations FOREVER
Japanese Movie, 2018,
Support Role
7.8
2018 Kamen Rider Build the Movie: Be the One
Japanese Movie, 2018,
Main Role
7.6
2017 Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders
Japanese Movie, 2017,
Support Role
7.8
2017 Today's Kira-kun
Japanese Movie, 2017,
[Schoolmate / Class D - Help Ninon carry books] (Guest Role)
[Schoolmate / Class D - Help Ninon carry books]
Guest Role
8.0
2016 Scoop!
Japanese Movie, 2016,
(Unknown)
Unknown
7.4
2015 Commuting to School Series: On the Way to School
Japanese Movie, 2015,
Yoshizawa Kyosuke (Support Role)
Yoshizawa Kyosuke
Support Role
7.3
2015 Commuting to School Series: Commuter Tram
Japanese Movie, 2015,
Yoshizawa Kyosuke (Support Role)
Yoshizawa Kyosuke
Support Role
7.0
2015 Heroine Disqualified
Japanese Movie, 2015,
[Student] (Guest Role)
[Student]
Guest Role
7.7
Special
Year Title # Role Rating
2023 Kazama Kimichika: Kyojo Zero Tokubetsuhen
Japanese Special, 2023, 1 eps
Urihara Junji (Support Role)
1
Urihara Junji
Support Role
7.4
2023 Pending Train: Shudengo Talk
Japanese Special, 2023, 5 eps
[Himself] (Main Role)
5
[Himself]
Main Role
7.4
2021 Yo nimo Kimyo na Monogatari: 2021 Fall Special
Japanese Special, 2021, 1 eps
{Skip} Okura Mikio (Main Role)
1
{Skip} Okura Mikio
Main Role
7.3
2021 Hakutaka Shirataka Amane no Investigation File
Japanese Special, 2021, 1 eps
Uzuka Shinsaku (Support Role)
1
Support Role
7.3
2020 Valentine's Day / Rokkaku
Japanese Special, 2020, 1 eps
Adachi Kiyoshi (Main Role)
1
Main Role
8.2
2019 Panic Commercial
Japanese Special, 2019, 1 eps
Niikura Yasuto (Main Role)
1
Main Role
7.5
2018 Kamen Rider Zi-O: Supplementary Plan
Japanese Special, 2018, 16 eps
16
Guest Role
7.8
2018 Kamen Rider Build: Birth! KumaTelevi!! VS Kamen Rider Grease!
Japanese Special, 2018, 1 eps
1
Main Role
7.0
2016 Watashi ni Unmei no Koi Nante Arienaitte Omotteta
Japanese Special, 2016, 1 eps
(Guest Role)
1
Guest Role
7.9
TV Show
Year Title # Role Rating
2022 Girl's Barking Night
Japanese TV Show, 2022, 110 eps
(Ep. 50) (Guest)
110
(Ep. 50)
Guest
0.0
2021 1-Oku 3000-Mannin no SHOW Channel
Japanese TV Show, 2021, 122 eps
(Ep. 95) (Guest)
122
(Ep. 95)
Guest
7.9
2021 VS Damashii
Japanese TV Show, 2021, 58 eps
(Ep. 25) (Guest)
58
(Ep. 25)
Guest
8.0
2020 Banana Sand
Japanese TV Show, 2020, 150 eps
(Ep. 93) (Guest)
150
(Ep. 93)
Guest
0.0
2020 Nani on Saturday!?
Japanese TV Show, 2020, 300 eps
(Ep. 11-13, 21) (Guest)
300
(Ep. 11-13, 21)
Guest
0.0
2016 Utacon
Japanese TV Show, 2016, 330 eps
(Guest)
330
Guest
6.0
2015 Datsuryoku News Network
Japanese TV Show, 2015, 430 eps
(Ep. 239) (Guest)
430
(Ep. 239)
Guest
7.0
2014 Sukatto Japan
Japanese TV Show, 2014, 265 eps
(Ep. 59, 78, 249, 254) (Guest)
265
(Ep. 59, 78, 249, 254)
Guest
5.9
2013 Ninosan
Japanese TV Show, 2013, 550 eps
(Ep. 485, 541) (Guest)
550
(Ep. 485, 541)
Guest
8.1
2009 A-Studio+
Japanese TV Show, 2009, 810 eps
(Ep. 681) (Guest)
810
(Ep. 681)
Guest
10.0
2008 Shabekuri 007
Japanese TV Show, 2008, 610 eps
(Ep. 476) (Guest)
610
(Ep. 476)
Guest
8.2
1996 1 Okuri no Dai Shitsumon!? Waratte Koraete!
Japanese TV Show, 1996, 118 eps
(Guest)
118
Guest
0.0
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Akaso Eiji

Eiji Akaso
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Details

  • First Name: Eiji
  • Family Name: Akaso
  • Native name: 赤楚衛二
  • Also Known as: Akaso Mamoru
  • Nationality: Japanese
  • Gender: Male
  • Born: March 1, 1994
  • Age: 30

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