Ryusei Onishi

Onishi Ryusei (大西流星) is a Japanese actor and singer under STARTO Entertainment as a member of the group Naniwa Danshi.

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Known For

The Files of Young Kindaichi

2022 • Theme Song Performance

My Happy Marriage

2023 • as Takaihito

Rental a Girlfriend

2022 • as Kazuya Kinoshita

Diary of a Surgical Resident: Madoka

2025 • as Sho Igarashi

Captivated, by You

2021 • as Hayashi Miyoshi

The Good Father

2022

Filmography

2026

COUNTDOWN CONCERT 2025-2026 STARTO to MOVE

as Self (Naniwa Danshi)

Movie - Released: 1/7/2026

Yokohama Neighbors

as 'Ron' Ryuichi Koyanagi

TV - Released: 1/10/2026

2025

Naniwa Danshi LIVE TOUR 2024 '+Alpha'

Movie - Released: 3/23/2025

Diary of a Surgical Resident: Madoka

as Sho Igarashi

TV - Released: 1/14/2025

Nomen Kenji

as Maeda Takumi

TV - Released: 7/11/2025

2024

Naniwa Danshi LIVE TOUR 2023 'POPMALL'

as Self

Movie - Released: 2/14/2024

We Don't Know Love Yet

as Eiji Aihara

Movie - Released: 8/23/2024

Nintama Rantarō: Invincible Master of the Dokutake Ninja

Movie - Released: 12/20/2024

Naniwa Kara Ae! Kaze Fukukasemasu!

TV - Released: 11/29/2024

2023

Naniwa Danshi Debut Tour 2022 1st Love

as Himself

Movie - Released: 4/26/2023

My Happy Marriage

as Takaihito

Movie - Released: 3/17/2023

Beni Sasu Life

as Hojo Masato

TV - Released: 7/25/2023

2022

The Good Father

Movie - Released: 9/1/2022

Naniwa Danshi First Arena Tour 2021 #NaniwaDanshishikakatan

as Self

Movie - Released: 2/23/2022

Rokuhoudou Colorful Days

as Nakao Tsubaki

TV - Released: 1/15/2022

Rental a Girlfriend

as Kazuya Kinoshita

TV - Released: 7/2/2022

2021

Naniwa Danshi’s Journey 1100 Days Till Debut

TV - Released: 11/5/2021

Captivated, by You

as Hayashi Miyoshi

TV - Released: 1/7/2021

2020

Younger Boyfriend

TV - Released: 4/11/2020

Men's Kō

as Momoi Ten

TV - Released: 10/7/2020

Quiz! The Iwakan

TV - Released: 4/13/2020

2014

Ninjani Calling on! Fight Towards the Future

as Young Futo

Movie - Released: 6/7/2014