
Season 1
- 1 Episode 1
- 2 Episode 2
- 3 Episode 3
- 4 Episode 4
- 5 Episode 5
- 6 Episode 6
- 7 Episode 7
- 8 Episode 8
- 9 Episode 9
- 10 Episode 10

Sanako Moriwaka (Mikako Tabe) is single and works in the accounting department of a soap company. For her job, she checks receipts and bills. Each slip that she reviews, mentions only the dollar amount and a brief reason for the expense. When Sanako Moriwaka reviews the slips, she can often discern suspicious facts surrounding the expense or even troubles in the lives of the employee.
Latest episode: S1 E10 Episode 10 (Sep 27, 2019)

I’ve always been a sucker for stories that find the extraordinary in the mundane. A soap company’s accounting department shouldn’t be the setting for a drama that lingers in the mind, but This Is Not a Business Expense! manages to turn the most bureaucratic of tasks—reviewing expense reports—into a quiet revelation. There’s something almost forensic about the way Sanako Moriwaka (Mikako Tabe) pores over receipts, her fingers tracing the edges of paper as if they might whisper secrets.
And they do. A lunch charged to the company that wasn’t a lunch at all. A taxi ride that ended somewhere it shouldn’t have.
A hotel stay that wasn’t for work. The numbers don’t lie, but the people behind them do—sometimes to their bosses, sometimes to themselves.

The series thrives on this tension between order and chaos. Sanako is the rule-follower, the woman who dots every i and crosses every t, but the world around her is a mess of half-truths, office politics, and unspoken desires. The show’s genius lies in how it uses the rigid structure of accounting to expose the fragility of human relationships.
Every episode unfolds like a ledger being balanced—except the credits and debits aren’t just numbers. They’re confessions, regrets, and, occasionally, small acts of rebellion.
Take the moment when Sanako confronts a colleague about an expense report that doesn’t add up. The scene is shot in a single, unbroken take, the camera lingering on her face as she listens to his flimsy excuses. There’s no dramatic music, no cutaway to a flashback.
Just the slow dawning of realization in her eyes, the way her lips press into a thin line. It’s a masterclass in restraint, and Mikako Tabe plays it with such understated precision that you can almost feel the weight of the receipt in her hand. This isn’t just about fraud.
It’s about a man who’s been lying to himself for years, and Sanako, of all people, is the one holding up the mirror.
"A quirky workplace comedy with heart, but uneven pacing and tonal shifts hold it back from greatness."
The series takes a lighthearted look at office life, and the charming dynamics of the main cast add warmth to its comedic premise. The humor is inconsistent, though, with jokes that don't always land and a few subplots that are underdeveloped or dragged out. The balance between comedy and drama occasionally falters, leaving the tone uneven.
This is Not a Business Expense! (2019) is a Japanese dramedy that blends office politics, romance, and sharp humor—all through the lens of an accounting department’s meticulous scrutiny of expense reports. Starring Mikako Tabe as the no-nonsense Sanako Moriwaka, the series offers a fresh take on workplace dynamics, where receipts reveal more than just dollar amounts. But what went into bringing this quirky premise to life? latestnetflix.com's view is that here’s what we know from the limited behind-the-scenes details available.
This is Not a Business Expense! follows Sanako Moriwaka, a single woman working in the accounting department of a soap company. Her job? Reviewing expense slips—each with a dollar amount and a vague reason for the charge. But Sanako has a knack for spotting inconsistencies, and those slips often hint at deeper personal or professional troubles among her colleagues. The series blends comedy, romance, and workplace drama, with a slow-burn older woman/younger man dynamic at its center.
The show’s original Japanese title, Kore wa Keihi de Ochimasen! (これは経費で落ちません!), translates to "You Can’t Expense This!"—a playful nod to its central theme. Adapted from a novel, the series leans into its office setting, using the mundane task of expense reporting as a gateway to explore relationships, ethics, and the chaos of corporate life.
Mikako Tabe takes the lead as Sanako, bringing her signature blend of warmth and sharp wit to the role. Tabe, known for her work in both film and television, anchors the series with a performance that balances professionalism and vulnerability. Opposite her is Daiki Shigeoka, playing a younger colleague whose interactions with Sanako drive much of the show’s emotional core.
The supporting cast includes a mix of familiar faces and rising talent:
While the evidence doesn’t reveal much about the cast’s off-screen dynamics, the chemistry on screen suggests a collaborative and playful set—fitting for a series that thrives on workplace banter.
The series was helmed by a trio of directors: Satoru Nakajima, Shigekatsu Honda, and Youichi Matsunaga. Nakajima and Matsunaga, in particular, have worked across genres, but their collaboration here leans into the show’s lighthearted yet insightful tone. The writing team, led by Hisako Fujihira and Naomi Hiruta, adapted the source novel into a script that balances humor with moments of quiet reflection.
Unfortunately, the available evidence doesn’t dive into the creative process or any behind-the-scenes challenges. Rumors about on-set improvisation or script changes remain unconfirmed, as no snippets from interviews or production diaries have surfaced in the retrieved results.
This is Not a Business Expense! is available on platforms like Plex and can be found on streaming trackers like JustWatch for those looking to catch up. While the evidence doesn’t include critical reviews or audience scores, the series’ premise—rooted in workplace comedy and romance—suggests it found a niche audience. Its adaptation from a novel may also appeal to fans of character-driven storytelling.
With its unique premise, strong cast, and blend of humor and heart, This is Not a Business Expense! stands out as a refreshing take on workplace dramas. While behind-the-scenes details are scarce, the show’s premise alone—where receipts double as windows into personal lives—hints at a creative and engaging production.
For fans of Japanese dramas, especially those with a knack for office comedies and slow-burn romances, this series is a solid pick. Just don’t expect to write off your streaming subscription as a business expense.
Entertainment rumors and trivia aggregated from public reporting. Treat speculation as unverified unless a cited source confirms it.
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