This Man Is The Biggest Mistake Of My Life

By Fabien Doucet • Published: 13 December 2023 • Updated: 13 May 2025

Yui Satou, who had lost her faithful pet dog that had been by her side through high school, college, and even employment, found herself drowning in grief at a bar. It was there that.

Also Known As: This Guy is the Biggest Mistake in My Life; Director: Kikuchi Takeo; Genres: Comedy, Romance; Tags: Boss-Employee Relationship, Adapted From.

Yui Sato (Airi Matsui), who knew the past of Kyoichi Amagi (Mokomichi Hayami), couldn't bear the weight and involuntarily relied on Konoro Aida (Yuta Hiraoka)..

After losing my precious puppy who'd been at my side through high school, college, and since graduation, I went to a bar to drown my sorrows by the gallon. While I was wailing.

Yui is unaware that the man she tripped is Amagi Kyoichi and he is the CEO of Amagi Pharmaceutical Company. The next day, Yui hears at work that the CEO is looking for.

Strap in for a romcom rollercoaster of emotions. You might find yourself getting just as addicted to Mr. Amagi's warped personality as Yui ♪. Enjoy reading This.

This Guy Is the Biggest Mistake of My Life. As a contracted worker at Amagi Pharmaceuticals, Yui Sato (Airi Matsui) might not be living the high life but she’s doing.