
Movies (Acting Roles)
Sorted by Release Date
The Water Flows to the Sea
Riku Onishi was 17 in The Water Flows to the Sea as 'Naotatsu Kumazawa'.Movie Released: Fri, Jun 09 2023

Rurouni Kenshin: The Final
Riku Onishi was 14 in Rurouni Kenshin: The Final as 'Yahiko Myojin'.Movie Released: Fri, Apr 23 2021

That Moment, My Heart Cried
Riku Onishi was 13 in That Moment, My Heart Cried Movie Released: Wed, Oct 30 2019

The Mirror Crack'd from Side to Side
Riku Onishi was 11 in The Mirror Crack'd from Side to Side as 'Matsumushi Matsuda (child)'.Movie Released: Sun, Mar 25 2018

Kamen Rider × Super Sentai: Ultra Super Hero Wars
Riku Onishi was 10 in Kamen Rider × Super Sentai: Ultra Super Hero Wars as 'Eight Kirino'.Movie Released: Sat, Mar 25 2017

Gold Medal Man
Riku Onishi was 10 in Gold Medal Man as 'Senichi Akita'.Movie Released: Sat, Oct 22 2016
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Sayonara, Maestro!
Riku Onishi was 17+ in Sayonara, Maestro! as 'Umi Natsume'.TV Show Released: First Air Date
Sun, Jan 14 2024
Sun, Jan 14 2024

Cinderellas of Midsummer
Riku Onishi was 17+ in Cinderellas of Midsummer as 'Kaito Aoi'.TV Show Released: First Air Date
Mon, Jul 10 2023
Mon, Jul 10 2023

Kokoro's "Tee-hee-hee!"
Riku Onishi was 15+ in Kokoro's "Tee-hee-hee!" as 'Segawa Kotaro'.TV Show Released: First Air Date
Sun, Aug 15 2021
Sun, Aug 15 2021

Love You as the World Ends
Riku Onishi was 14+ in Love You as the World Ends as 'Niiyama Daichi'.TV Show Released: First Air Date
Sun, Jan 17 2021
Sun, Jan 17 2021

Hokuto: Some Murderer's Conversion
Riku Onishi was 10+ in Hokuto: Some Murderer's Conversion TV Show Released: First Air Date
Sat, Mar 25 2017
Sat, Mar 25 2017

Beauty and the Fellow
Riku Onishi was 8+ in Beauty and the Fellow as 'Himura Kazuomi'.TV Show Released: First Air Date
Tue, Apr 14 2015
Tue, Apr 14 2015

Going My Home
Riku Onishi was 6+ in Going My Home as 'Daichi Shimojima'.TV Show Released: First Air Date
Tue, Oct 09 2012
Tue, Oct 09 2012