Portrait of Ryusei Onishi

Acting

Ryusei Onishi

Career

Active from 2014 to 2026, busiest in 2020 with 3 main titles.

Leading roles
11
top three billing
Average score
GoodWatch score70/100
Highest rated
Poster for My Happy Marriage
My Happy Marriage
GoodWatch score70/100

Characters

8

The characters Ryusei Onishi played, best-known titles first.

Character images: TheTVDB

Main genres

Select a genre to see those titles.

Recurring tags

  • Slice-of-Life 2
  • Feel-Good 2
  • Character-Driven 2
  • Contemporary Slice of Life 2

Works often with

People in at least two of their main titles.

Movies and TV shows

16
Type
Role
Score
Decade
Genre
Group by

2020s

15 titles · average score 70
Yokohama Neighbors
Yokohama Neighbors (2026)

TV show · as 'Ron' Ryuichi Koyanagi

M.I.S.S.I.O.N. 歌劇な潜入捜査官
M.I.S.S.I.O.N. 歌劇な潜入捜査官 (2026)

Theme Song Performance

Diary of a Surgical Resident: Madoka
Diary of a Surgical Resident: Madoka (2025)

TV show · as Sho Igarashi

Nomen Kenji
Nomen Kenji (2025)

TV show · as Maeda Takumi

We Don't Know Love Yet
We Don't Know Love Yet (2024)

as Eiji Aihara

My Happy Marriage
My Happy Marriage (2023)
GoodWatch score 70

as Takaihito

Beni Sasu Life
Beni Sasu Life (2023)

TV show · as Hojo Masato

Rental a Girlfriend
Rental a Girlfriend (2022)

TV show · as Kazuya Kinoshita

Rokuhoudou Colorful Days
Rokuhoudou Colorful Days (2022)

TV show · as Nakao Tsubaki

Captivated, by You
Captivated, by You (2021)

TV show · as Hayashi Miyoshi

Younger Boyfriend
Younger Boyfriend (2020)

TV show

Men's Kō
Men's Kō (2020)

TV show · as Momoi Ten

2010s

1 title
Ninjani Calling on! Fight Towards the Future
Ninjani Calling on! Fight Towards the Future (2014)

as Young Futo