Season 1

Suzuki Mitsuki is out for revenge after her husband, Yugo, died at work jumping from the rooftop of his office. She changes her name to Mitsu and joins her husband’s company as a contractor to try a/nd get revenge on those who killed her husband.

After targeting Yugo’s immediate boss, Mitsu redirects her revenge towards the slackers of the company – Itazaki and Kotake.

Mitsu becomes the target of the president’s secretary when coworkers start talking about how Mitsu is the prettiest, nicest, and most capable employee at work. Meanwhile, Mitsu targets the president.

Mitsu gets close to Saito after learning that he had a difficult childhood. As she and Saito were walking home one day, they spot a little girl about to jump off a bridge.

As Mitsuki sends Rin off with a bottle of mysterious clear liquid, Mitsuki reminisces about her past and how Yoji saved her in a similar way 22 years ago.

Yoji and Mitsuki solves a key piece of Yugo’s suicide while a colleague tries to make her move on her crush and gets Mitsu involved in it unexpectedly.

Yoji and Mitsuki comes up with a plan to find evidence against Maho, by approaching her boyfriend, Atsushi. Meanwhile, the love triangle at work gets uglier.

Mitsuki puts in motion her last plan to uncover the truth of that fateful day, and take her revenge against Maho. The big finale for our beloved characters.