Retsuko's newfound obsession with posting pics on her social media account threatens to ruin her Christmas, while Haida still hopes to spend Christmas with her.

A happy but frustrated Retsuko increasingly makes mistakes at work. Meanwhile, a busy quarterly reporting period looms ahead for the accounting team.

Supervisor Tsubone sends Retsuko on an errand to the sales department where she falls for a fellow colleague, Resasuke, whom she met the night before.

Persuaded by her colleagues Director Gori and Washimi, a reluctant Retsuko agrees to join a company singles mixer hosted by Tsunoda.

After the president cautions Director Ton on his abrasive behavior, his unusually polite demeanor puzzles and frightens his direct reports.

Washimi acknowledges Retsuko's efforts to make things right with Director Ton, using her position as assistant to the president as leverage to help.

The solitary life Retsuko leads is about to change when Director Gori and Washimi take her to a karaoke bar after yoga class.

When plans to leave her thankless job fall through, Retsuko continues to work in hopes of some day marrying and becoming a full-time house wife.

Retsuko loses the will to tackle the daily grind after Puko asks her to join a new business venture. A fed up Retsuko talks back to her supervisor.

Tired of her wholesome good-girl persona at work, Retsuko is drawn to the free-spirited lifestyle of her former high school classmate, Puko.

As Retsuko enters her fifth year at a prestigious trading firm, she struggles to motivate herself everyday as the daily stress from work takes a toll.