Gaku Oshida

Gaku Oshida is a Japanese actor and dancer who portrayed Geiz Myokoin/Kamen Rider Geiz in "Kamen Rider Zi-O". Until March 31, 2021, Oshida was affiliated with Ever Green Entertainment. In November of 2016, Oshida was the winner of the 29th Junon Super Boy Contest and attended the contest alongside contestants Hiroki Iijima and Ryutaro Okada. He made his first drama appearance in a live-action adaptation of the manga series "Inside Mari". In mid-2018, he was cast as Geiz Myokoin in "Kamen Rider Zi-O".

Samurai Sensei (2018)

Hanpeita Takeichi, a samurai, finds that he has travelled through time to modern-day Japan. He's taken in by an old man who runs a cram school, and begins to work as a teacher there.  (more)

DIRECTION:  Kazushi Watanabe
CAST:  Hayato Ichihara  •  Shugo Oshinari  •  Megumi Okina  •  Gaku Oshida

Hanpeita Takeichi, a samurai, finds that he has travelled through time to modern-day Japan. He's taken in by an old man who runs a cram school, and begins to work as a teacher there.  (more)

DIRECTION:  Kazushi Watanabe
CAST:  Hayato Ichihara  •  Shugo Oshinari  •  Megumi Okina  •  Gaku Oshida

Kamen Rider: Heisei Generations Forever (2018)

A young Kamen Rider fan is granted his wish of seeing Riders in person, initiating the ultimate Japanese superhero crossover meta film. The third and final installment of the Heisei Generations series finds Kamen Rider Zi-O and Kamen Rider Build joining forces with ...  (more)

DIRECTION:  Kyouhei Yamaguchi
CAST:  So Okuno  •  Atsuhiro Inukai  •  Gaku Oshida  •  Eiji Akaso

A young Kamen Rider fan is granted his wish of seeing Riders in person, initiating the ultimate Japanese superhero crossover meta film. The third and final installment of the Heisei Generations series finds Kamen Rider Zi-O and Kamen Rider Build joining forces with ...  (more)

DIRECTION:  Kyouhei Yamaguchi
CAST:  So Okuno  •  Atsuhiro Inukai  •  Gaku Oshida  •  Eiji Akaso

Kamen Rider Zi-O NEXT TIME: Geiz, Majesty (2020)

Geiz, Majesty is the first installment of the Kamen Rider Zi-O NEXT TIME series of V-Cinema films for Kamen Rider Zi-O. It focuses on the character Geiz Myokoin.  (more)

DIRECTION:  Satoshi Morota
CAST:  Gaku Oshida  •  Kimito Totani  •  So Okuno  •  Shieri Ohata

Geiz, Majesty is the first installment of the Kamen Rider Zi-O NEXT TIME series of V-Cinema films for Kamen Rider Zi-O. It focuses on the character Geiz Myokoin.  (more)

DIRECTION:  Satoshi Morota
CAST:  Gaku Oshida  •  Kimito Totani  •  So Okuno  •  Shieri Ohata

Kamen Rider Reiwa: The First Generation (2019)

12 years ago, the Daybreak Town Accident changed the world and brought forth a new prosperity towards artificial intelligence. But what if that were to all change? Sougo Tokiwa gave up his conquest for power after he chose to reset the world and live a mundane ...  (more)

DIRECTION:  Teruaki Sugihara
CAST:  Fumiya Takahashi  •  Ryutaro Okada  •  Noa Tsurushima  •  So Okuno

12 years ago, the Daybreak Town Accident changed the world and brought forth a new prosperity towards artificial intelligence. But what if that were to all change? Sougo Tokiwa gave up his conquest for power after he chose to reset the world and live a mundane ...  (more)

DIRECTION:  Teruaki Sugihara
CAST:  Fumiya Takahashi  •  Ryutaro Okada  •  Noa Tsurushima  •  So Okuno

Kamen Rider BiBiBi no Bibill Geiz (2019)

In the Hyper Battle DVD, we will discover that Geiz is afraid of ghosts. This gained him a new form, the Bibill Ride Watch to transform into Kamen Rider Bibill Geiz (Wimp Geiz).  (more)

DIRECTION:  Kyouhei Yamaguchi
CAST:  Gaku Oshida  •  So Okuno  •  Keisuke Watanabe  •  Shieri Ohata

In the Hyper Battle DVD, we will discover that Geiz is afraid of ghosts. This gained him a new form, the Bibill Ride Watch to transform into Kamen Rider Bibill Geiz (Wimp Geiz).  (more)

DIRECTION:  Kyouhei Yamaguchi
CAST:  Gaku Oshida  •  So Okuno  •  Keisuke Watanabe  •  Shieri Ohata

Kamen Rider Zi-O the Movie: Over Quartzer (2019)

The Quartzers, calling themselves the Wardens of Time, appear after Sougo Tokiwa has collected all of the Heisei Era Ride Watches. A grand conspiracy behind the birth of the King of Time becomes ever clearer...  (more)

DIRECTION:  Ryuta Tasaki
CAST:  So Okuno  •  Gaku Oshida  •  Shieri Ohata  •  Keisuke Watanabe

The Quartzers, calling themselves the Wardens of Time, appear after Sougo Tokiwa has collected all of the Heisei Era Ride Watches. A grand conspiracy behind the birth of the King of Time becomes ever clearer...  (more)

DIRECTION:  Ryuta Tasaki
CAST:  So Okuno  •  Gaku Oshida  •  Shieri Ohata  •  Keisuke Watanabe

Kamen Rider Zi-O: Final Stage (2020)

The final live stageshow of Kamen Rider Zi-O, taking place after the Over Quartzer film. The sudden appearance of a Red Woz and Tsukuyomi declaring herself Queen of Time sends Zi-O and Geiz reeling as they discover even more RideWatches than they thought existed...  (more)

DIRECTION: 
CAST:  So Okuno  •  Gaku Oshida  •  Shieri Ohata  •  Keisuke Watanabe

The final live stageshow of Kamen Rider Zi-O, taking place after the Over Quartzer film. The sudden appearance of a Red Woz and Tsukuyomi declaring herself Queen of Time sends Zi-O and Geiz reeling as they discover even more RideWatches than they thought existed...  (more)

DIRECTION: 
CAST:  So Okuno  •  Gaku Oshida  •  Shieri Ohata  •  Keisuke Watanabe

Super Juvenile Detective Team NEO Beginning (2019)

High school student Yoshiro Kobayashi (Mahiro Takasugi) is the great-grandchild of the first president of the Boy Detectives Club. He enjoys time with his friends Watari (Gaku Sano) and Saya (Mayu Hotta). One day, the Fiend with Twenty Faces appears in front of ...  (more)

DIRECTION:  Shintarô Ashizuka
CAST:  Mahiro Takasugi  •  Mayu Hotta  •  Gaku Sano  •  Kohki Osamura

High school student Yoshiro Kobayashi (Mahiro Takasugi) is the great-grandchild of the first president of the Boy Detectives Club. He enjoys time with his friends Watari (Gaku Sano) and Saya (Mayu Hotta). One day, the Fiend with Twenty Faces appears in front of ...  (more)

DIRECTION:  Shintarô Ashizuka
CAST:  Mahiro Takasugi  •  Mayu Hotta  •  Gaku Sano  •  Kohki Osamura

Grim Reaper Case Book (2020)

Genshiro Kusaka, who runs a detective business in the Edo city, had a contract with Shinigami Juran. A "prostitute serial murder case" occurred at the Great Yukaku in Yoshiwara. How does both Genshiro and the Shinigami gonna solve it?  (more)

DIRECTION:  Takayuki Shibasaki
CAST:  Takashi Hagino  •  Masami Horiuchi  •  Syo Jinnai  •  Gaku Oshida

Genshiro Kusaka, who runs a detective business in the Edo city, had a contract with Shinigami Juran. A "prostitute serial murder case" occurred at the Great Yukaku in Yoshiwara. How does both Genshiro and the Shinigami gonna solve it?  (more)

DIRECTION:  Takayuki Shibasaki
CAST:  Takashi Hagino  •  Masami Horiuchi  •  Syo Jinnai  •  Gaku Oshida

Honey Lemon Soda (2021)

Ishimori Uka is very shy and has a hard time making friends. When she was a middle school student, students made fun of her by calling her "stone". Around that time, she met Miura Kai with lemon color hair. Because of him, she entered the same high school. Uka now ...  (more)

DIRECTION:  Kōji Shintoku
CAST:  Mayu Hotta  •  Murakami Maito Raul  •  Ai Yoshikawa  •  Tatsuomi Hamada

Ishimori Uka is very shy and has a hard time making friends. When she was a middle school student, students made fun of her by calling her "stone". Around that time, she met Miura Kai with lemon color hair. Because of him, she entered the same high school. Uka now ...  (more)

DIRECTION:  Kōji Shintoku
CAST:  Mayu Hotta  •  Murakami Maito Raul  •  Ai Yoshikawa  •  Tatsuomi Hamada