TL;DR
Get good at your job at a manufacturing company, and somehow your workload never shrinks.
It actually goes like this.
Purchasing → a delivery delay → the production schedule changes → you sort it out with the shop floor → quality checks → shipping changes → explaining it to sales → tracking progress → making sure it doesn't happen again → "Hey, while you're at it, can you fix this Excel file too?"
Congratulations.
You started in purchasing, and you've evolved into a catch-all fixer: shadow project manager, interpreter between departments, firefighter, improvement guy, and underpowered IT help desk, all in one bundle.
And the worst part is that nobody takes anything off your plate when a new role gets added.
Your actual job 100%
- project management 30%
- handling trouble 20%
- improvement work 10%
- training people 10%
- Excel/digital fixes 10% = 180%
The company: "But it's working, isn't it?"
It's not working. Someone is making it work.
Lose sight of that difference, and the ace's extra effort gets mistaken for spare capacity, and next year it becomes the standard workload.
This article doesn't leave this as "just a thing that happens at manufacturers." We break it down using research on high-performance punishment (the penalty for being good), role overload, role ambiguity, boundary spanning (working across department lines), and work intensification (more work, faster, in the same time), plus 2026 labor shortage data.
The conclusion is simple.
Come back, Ace. If you handle everything there, that 180% becomes next year's 100%.
1. What Is "Come Back, Ace" Trying to Stop?
The title borrows a meme-style phrase that grew out of the scene in the Marineford War arc of ONE PIECE where people try to stop Ace. Shueisha's official Shonen Jump+ site carries Chapter 573 under the title "This Era Is Called 'Whitebeard'," and ONE PIECE.com confirms that Volume 58 collects Chapters 563 to 573.
Here we change the meaning for office workers.
Boss: "Anyone who can handle this?"
The ace: "I can."
Coworkers: "Come back, Ace!!!"
Why stop them?
Because after you handle something once, you can get registered not as "someone who can do it" but as "the person for this job."
The same problem comes up again.
"You did this before, right?"
The third time.
"Can you do the usual thing for us?"
The fifth time.
With no formal change in responsibilities, the job becomes yours.
That's the doorway to becoming the catch-all fixer.
2. A Catch-All Fixer Isn't "Someone Who Can Do Anything." It's Someone Who Fills the Gaps in the Org Chart.
"Handyman" sounds like a skilled, versatile person.
That's not the real problem.
The dangerous kind of catch-all fixer is a person who takes on everything that's unclear about which department it belongs to.
Take a parts shortage, for example.
Each piece has its own owner in theory.
- Purchasing: confirming delivery dates with suppliers
- Production control: changing the order of production
- Manufacturing: changing the setup on the floor
- Quality: checking substitute parts and what has changed
- Logistics: changing the way things are shipped
- Sales: explaining it to the customer
- Managers: setting priorities and allocating resources
But once there's one person who can work across all of them, the organization gets very comfortable.
"Just ask that person and you'll know everything."
If this keeps up, you get this sad evolution tree:
Person in charge → the one who knows a lot → the one people ask when stuck → owner of the whole problem → catch-all fixer
And the add-on skill that usually shows up at the final stage is Excel.
"Do you know VLOOKUP?" ↓ "Macros too?" ↓ "This file is really slow." ↓ "Can you redesign the whole workflow?" ↓ A weak in-house IT department is born.
3. Why Manufacturers Are Especially Prone to Creating Catch-All Fixers
This isn't a disease unique to manufacturers.
But manufacturers do have a lot of the conditions that produce catch-all fixers.
3-1. The work is linked like a chain
In manufacturing, design, purchasing, production, quality, logistics, and sales are physically connected.
If one part is late, several departments have to move at the same time.
That means even if one person does their own job perfectly, the finished product doesn't get made.
The better you are at seeing sideways, the more valuable you are.
And the more valuable you are, the more cross-department work gets piled on you.
3-2. "It's not my area, so next week" doesn't fly
With a document on a computer, a one-day delay can sometimes be absorbed.
But with these:
- a stopped production line
- a parts shortage
- defects
- the risk of a customer's line stopping
- equipment breakdowns
- emergency shipping
losses grow with every tick of the clock.
At that moment the organization cares less about "whose job is it" and more about "who can fix it right now?"
Ace, it's your turn.
Come back.
3-3. Regular full-time employees in Japan tend to have wide job boundaries
Japan's Ministry of Health, Labour and Welfare describes "limited-duty regular employees," meaning permanent staff whose job content is restricted, as a separate category. In other words, the typical regular employee works without a narrowly fixed set of duties.
The ministry's materials also list securities analysts, data scientists, and certified professionals as examples where limiting the job fits especially well, while for roles like factory technical workers they suggest allowing a certain breadth.
When the "breadth" is appropriate, it's flexibility.
When it expands without limit, you get a catch-all fixer.
3-4. A culture of improvement can turn into extra tasks instead of less work
Improvement, quality control, digital transformation, and automation are wonderful in principle.
If you cut waste so that 9 people can do what 10 used to do, that's a productivity gain.
But if it goes like this:
10 people do 100 → 9 people do 100 → the workload isn't reduced → the ace absorbs it with Excel → "See, 9 people could do it!"
then it's a different story.
That isn't improvement. You may have just turned a human being into a buffer.
4. The Moment "So, Purchasing, What's the Status?" Becomes an Appointment as Project Manager
The first question is ordinary.
"What's the status on checking with the supplier?"
But once you've become the catch-all fixer, the meaning changes.
"What's the status of this whole problem?"
To answer, the person in purchasing has to keep track of:
- the supplier's reply
- inventory
- the production plan
- how fast the shop floor is using material
- quality decisions
- whether a substitute is possible
- shipping
- impact on the customer
- everyone's next actions
At this point, you're no longer just placing orders.
You're closer to a project manager, coordinator, or boundary spanner (someone who connects departments).
And with several cases going at once, you're also carrying the dependencies among:
"Company A's delay" "Quality of Part B" "Switching over Line C" "Explaining Project D to the customer"
Then someone asks.
"Can you fix the Excel too?"
Your project manager just got an IT department add-on pack.
5. What's Really Heavy Isn't Just the Workload. It's the Mental Load.
If you stop at "busy," you only see half of the burden on a catch-all fixer.
The heavy part is keeping in your head what depends on what.
Even after a meeting ends, your head is still running things like:
- that reply is due by 3 p.m.
- if there's no answer, change the production order
- if we change it, tell logistics
- quality approval comes first
- contact the customer through sales
- update the Excel file by tomorrow morning
Even when your hands aren't moving, each case eats up memory in your head.
In this article we'll call this the mental load (the amount you're carrying in your head).
It's especially dangerous when the information exists only in that one person's head.
That person takes a day off.
The company: "So where do things stand?"
Everyone: "..."
It turns out they'd been running the server on a single human being.
6. The Research Has Names for This: High-Performance Punishment, Role Overload, and Boundary Spanning
This isn't just internet griping.
6-1. High-performance punishment: a "competence tax" on capable people
A 2025 study defines high-performance punishment as a situation where high performers are given extra responsibility without extra reward or recognition.
It covered 534 employees of IT organizations in several countries.
So it isn't limited to manufacturing.
If "you can do it, so we're asking you" keeps repeating, and pay, authority, or a lighter workload never follow, then your ability becomes the reason you're taxed.
6-2. Boundary spanning: people who work across departments
Behavior that connects information and people across organizational boundaries is valuable to a team.
But a study in the Academy of Management Journal showed a paradox: individuals who span boundaries experience more role overload (having more duties than they can reasonably handle).
Convenient for the company.
For the person, everything lands on them.
That's exactly the catch-all fixer.
6-3. Role ambiguity: "How much of this is my job?"
A study using 13,811 people and 41,962 observations in Japan found that role ambiguity amplifies the link between job stressors and psychological distress.
It's not only about being "busy."
Not knowing how much you're supposed to own is itself a burden.
6-4. Work intensification: faster and more, in the same amount of time
Work intensification is the phenomenon where demands for speed, volume, and efficiency in work keep rising.
A 2024 systematic review, and another review covering 44 studies from 2000 to 2020, summarized that faster work and growing demands for effort are linked to worse well-being and motivation.
Don't make it "business as usual" for only the ace to run at 1.5x speed.
7. The Self-Reinforcing Loop Created by "It's Working, So It's Fine"
The strongest line from management is this one.
"It's working, so it's fine."
In the short term, it actually looks rational.
Five people were doing 100 worth of work.
One person left.
Four people got 100 done.
So you can cut one person's labor cost.
The problem is when no one looks at why four people were able to do 100.
Pattern A: A real improvement
5 people × 80% load → remove waste → 4 people × 100%
That's pretty healthy.
Pattern B: The ace covered it up
5 people × 100% → one person leaves → 4 people × 125% → the ace absorbs the trouble and the improvement work → at least the deadlines get met
What shows up on the management dashboard:
"Four people handled it."
And so you get this loop:
someone leaves → nobody is hired to replace them → the ace fills the gap → it works → "no need to replace them" → even more of the slack disappears → the ace fills the next vacancy too
The better the ace is, the more they erase the evidence that the team is understaffed.
8. Pressure to Cut Labor Costs Isn't Just a Manufacturing Thing
In an April 2026 survey by Teikoku Databank (a major Japanese credit research firm), 50.6% of companies said they felt a shortage of regular employees. "Information services" was highest at 66.7%.
So "we don't have enough people," "but we can't easily add people," and "we want to absorb it with the people we have" aren't unique to manufacturing.
If anything, the catch-all fixer just wears a different outfit in each industry.
| Industry / job type | Typical catch-all fixer pattern |
|---|---|
| Manufacturing, factory back office | Purchasing + production adjustment + quality + logistics + improvement + Excel |
| In-house IT / IT help desk | PCs + network + SaaS + digital transformation + AI + somehow the printer |
| Construction, site management | Schedule + safety + quality + subcontractors + customers + paperwork |
| Retail, restaurant manager | Shifts + hiring + inventory + complaints + equipment |
| Startup | "Whose job is that?" → yours |
| Government, general-track staff | Policies + inquiries + coordination + sudden cases |
| Consulting | Jack-of-all-trades on the project + proposals + mentoring |
| Healthcare | Heavy load, but licenses and authority make some boundaries strong |
| Specialist finance roles | Regulation, division of authority, and specialist roles make boundaries relatively clear |
So to be precise,
the message is not "don't become the ace at a manufacturer."
It's "in an organization that doesn't drop work, doesn't hire replacements, and doesn't define roles, becoming the ace who absorbs everything is dangerous."
Still, manufacturers combine a physical shop floor, chained processes, the need to respond immediately, and wide job boundaries, so the catch-all fixer is especially easy to spot there.
9. Management Doing This Isn't Necessarily Because "They're Not Thinking"
This part matters.
Labor costs are ongoing costs.
Hiring takes time and money.
New people can't work at 100% right away.
So "if we can run it with the people we have, we'd like to" is understandable as short-term management.
The problem is mistaking processing capacity for sustainable capacity.
You can run at 150% for a week.
A year may be impossible.
In an incident, it's faster to have one person hold everything.
But if you make that the normal way of operating, it becomes a single point of failure (one thing that stops everything if it breaks).
What management should look at isn't only:
- whether deadlines were met
- whether sales held up
It also has to include:
- overtime
- number of interruptions
- number of cases a person is holding
- work that stops when someone is on vacation
- procedures only one person knows
- postponing of the person's actual job
- the difference between work removed through improvement and work that people just endured and absorbed
"It worked" and "it works sustainably" are different KPIs (measures of success).
10. Why You Want to Collect a Catch-All Fixer Tax
By this point you want to stick a QR code on your desk.
Catch-all fixer price list (a joke, of course)
| Request | Tax rate |
|---|---|
| "Can you take a quick look?" | 300 yen |
| Fixing an Excel file outside your job | 500 yen |
| Mediating between departments | 1,000 yen |
| A case nobody knows who owns | 2,000 yen |
| "You did this before, right?" | 5,000 yen |
| Acting as PM with no formal authority | 50,000 yen per month |
| Adding new work without reducing existing duties | Market price |
That said, actually taking payment for work through a personal PayPay account (a popular mobile payment app in Japan) is not okay.
PayPay's April 2026 terms prohibit using person-to-person transfers or payments to receive money for goods sold or services provided for commercial purposes. And from June 2026, even PayPay's "My Code" (a personal QR code for receiving money) requires identity verification on the receiving side.
So what we really want isn't money.
It's a system where, when you take one job, you can hand one job back.
"Fix this Excel file."
Beep.
"Then I'm returning the production plan change."
That is the real catch-all fixer tax.
11. How Aces Can Stay Strong Without Burning Out
The answer isn't pretending to be bad at your job.
That's a loss for you and for the organization.
What you need is to show your ability without letting people think your capacity is free.
11-1. Don't stop at "I can do it"
A bad answer:
"I can do it."
A strong answer:
"I can do it. Which of A, B, or C should I stop?"
This turns extra work into a swap of priorities.
11-2. Separate emergency response from permanent responsibility
"Putting out the fire just for today" is fine.
"From next time it's always you" is a different contract.
When the incident is over, formally hand back the responsibilities, procedures, deadlines, and authority.
11-3. Get the dependencies out of your head
To lower the mental load, put these somewhere visible:
- who
- does what
- by when
- waiting on what
- and what moves next
Don't turn a human being into a project management database.
11-4. Don't let the results of improvement be erased as "free time"
You automated a 2-hour task down to 10 minutes.
The company: "So you've got 1 hour 50 minutes free."
No.
That improvement needs maintenance too, and it also serves as a buffer for sudden trouble.
If you fill all the slack from improvement with new tasks, you end up with a workplace where the more you improve, the harder it gets.
11-5. Don't make the ace a single point of failure
A truly strong organization isn't one where
"it works as long as that person is here,"
but one where
"it works even when that person is out."
Share the ace's knowledge, standardize the work, and build people who can step in.
This doesn't weaken the ace.
It's the work of turning the ace back from human infrastructure into a human being.
12. Conclusion: Come Back, Ace. That 120% Will Be Next Term's Standard Workload.
Catch-all fixers are easy to produce at manufacturers because of
wide job boundaries × every process is connected × trouble on the shop floor doesn't wait × a culture of improvement × indirect staff are hard to add × the person who can work across lines actually solves things
That said, the real issue isn't manufacturing.
It happens in IT, construction, retail, and consulting too.
The research also confirms fairly similar problems under names like
- high-performance punishment
- role overload
- role ambiguity
- boundary spanning
- work intensification
So what the ace needs isn't to become someone everyone tiptoes around.
Reliable, but not infinite.
That's the strongest position.
"Can you take this too?"
"I can. What should I take off?"
That alone turns adding work into a conversation about capacity.
Finally, a word for everyone from the shop floor to management.
"It's running, so it's fine!" is not an answer.
It may just be someone with dark circles under their eyes, keeping it running by hand.
Don't ride the wave, Ace. Come back. If you clean it all up there, it becomes "regular work" starting next year.
Sources
- Shueisha, Shonen Jump+, "ONE PIECE Chapter 573" https://shonenjumpplus.com/episode/13932016480028742013
- ONE PIECE.com, "ONE PIECE Volume 58" https://one-piece.com/comics/o58/index.html
- Ministry of Health, Labour and Welfare, "Limited-duty regular employees" https://part-tanjikan.mhlw.go.jp/tayou/shokumu_job.html
- Ministry of Economy, Trade and Industry et al., "2026 White Paper on Manufacturing" https://www.meti.go.jp/report/whitepaper/mono/2026/index.html
- Teikoku Databank, "Survey of company trends on labor shortages (April 2026)" https://www.tdb.co.jp/report/economic/20260519-laborshortage202604/
- Bari, Khan & Di Virgilio (2025), “Knowledge donation, hoarding, and hiding behaviors of high performers: Mediation role of deviant silence” https://doi.org/10.1016/j.iedeen.2025.100276
- Marrone, Tesluk & Carson (2007), “A Multilevel Investigation of Antecedents and Consequences of Team Member Boundary-Spanning Behavior” https://doi.org/10.5465/amj.2007.28225967
- Oshio & Tsutsumi (2021), “Role ambiguity as an amplifier of the association between job stressors and workers’ psychological ill-being” https://doi.org/10.1002/1348-9585.12310
- Niazi et al. (2024), “Work intensification: A systematic review of studies from 1989 to 2022” https://doi.org/10.3233/WOR-230193
- Mauno et al. (2022), “Is work intensification bad for employees?” https://doi.org/10.1080/02678373.2022.2080778
- PayPay, "April 24, 2026 edition, Chapter 1: General Provisions" https://about.paypay.ne.jp/terms/consumer/rule/guideline/general-rules/20260424/
- PayPay, "About My Code" https://paypay.ne.jp/help/c0242/
