Where to stream

This Guy Is the Biggest Mistake in My Life

6.320201 seasonTV SeriesComedy

Sato Yui is a dispatched contract worker at Amagi Pharmaceutical Company. Her pet has died and she feels deep sorrow over its death. One day, she drinks alone at a bar and shouts, with tears running down her face, "Develop medicine to…

Where to watch

Not available in Canada

Streaming in 4 other countries

This Guy Is the Biggest Mistake in My Life isn't on any streaming service in Canada right now, but it's available in Croatia, Japan, Panama, South Korea. Streaming rights are licensed per country.

Seasons & Episodes

Episode 1

Jan 18, 2020

Episode 2

Jan 25, 2020

Episode 3

Feb 1, 2020

Episode 4

Feb 8, 2020

Episode 5

Feb 15, 2020

Episode 6

Feb 22, 2020

Episode 7

Feb 29, 2020

Episode 8

Mar 7, 2020

Episode 9

Mar 14, 2020

E10

Episode 10

Mar 21, 2020

Cast

Natori So [Kyoishi's secretary]

Moemi Katayama

Ishikawa Ami [Yui's colleague]

More from Mokomichi Hayami · Lead actor

Gokusen

2002 · 8.0

Emergency Interrogation Room

5→9 From Five to Nine

After the Rains and Dreams

2005 · 9.3

Hataraki Man

2007 · 6.2

See all fromMokomichi Hayami

More from Airi Matsui · Co-star actress

GTO

2012 · 7.0

Secret Unrequited Love

Logically Impossible! Detective Ryoko Kamizuru Is on the Case

2023 · 6.0

Love Stories From Fukuoka

2006 · 7.0

This is Not a Business Expense!

2019 · 8.0

See all fromAiri Matsui

More like this

Seduced by My Best Friend

Jimihen!! Jimiko o Kae Chau Jun Isei Kouyuu

2021 · 6.6

My Tiny Senpai

2023 · 7.1

The Café Terrace and Its Goddesses

2023 · 7.3

Mother of the Goddess' Dormitory

2021 · 7.1

Girls Bravo

2004 · 7.7

The Genius Prince's Guide to Raising a Nation Out of Debt

2022 · 7.8

Uzaki-chan Wants to Hang Out!

2020 · 8.3

Hands off: Sawaranaide Kotesashi-kun

2025 · 7.6

This Guy Is the Biggest Mistake in My Life — streaming FAQ

Which OTT platform streams This Guy Is the Biggest Mistake in My Life?

This Guy Is the Biggest Mistake in My Life isn't on any streaming service in Canada yet, but it's available in Croatia, Japan and South Korea and other countries. Streaming rights differ by country — switch your country in the header to see where.

Is This Guy Is the Biggest Mistake in My Life on Netflix?

No, This Guy Is the Biggest Mistake in My Life is not on Netflix in Canada as of September 2026.

Is This Guy Is the Biggest Mistake in My Life on Amazon Prime Video?

No, This Guy Is the Biggest Mistake in My Life isn't on Amazon Prime Video in Canada right now.

Where can I watch This Guy Is the Biggest Mistake in My Life for free?

This Guy Is the Biggest Mistake in My Life isn't streaming in Canada yet, so there's no way to watch it free at the moment.

How many seasons are in This Guy Is the Biggest Mistake in My Life?

This Guy Is the Biggest Mistake in My Life has 1 season in total (10 episodes). The series concluded in 2020.

Are all episodes of This Guy Is the Biggest Mistake in My Life out yet?

Yes — all 10 episodes across 1 season of This Guy Is the Biggest Mistake in My Life are out and available to stream.

Is there a Season 2 of This Guy Is the Biggest Mistake in My Life?

No — This Guy Is the Biggest Mistake in My Life ended after 1 season, so there is no Season 2.