Osaka’s 90-Minute Stone-Polishing Event Gets Flooded with Applications — 5ch: “Isn’t This Basically Zen?”

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The story

An event held at LUCUA Osaka on the first day of a five-day holiday weekend — called “Ultra Polishing” and consisting of nothing but 90 minutes of polishing a stone — reportedly saw such a rush of applications that its 45 slots filled up almost instantly. By deliberately turning “wasted time” with no payoff into a product, the event has drawn attention as a contrarian response to the “time-performance” (taipa) mindset that prizes efficiency above all. On the 5ch thread, many commenters shared their own experiences of getting absorbed in simple repetitive tasks, while others clashed over how to even interpret the term “taipa” itself.

On the 19th, the first day of the five-day “Silver Week” holiday, an unusual event called “Ultra Polishing” — in which participants do nothing but polish a stone for 90 minutes straight — was held at LUCUA Osaka, a commercial facility in Osaka’s Kita Ward. Despite being plain and offering no reward whatsoever, all 45 reservation slots reportedly filled up almost as soon as registration opened.

In an era of efficiency-obsession where terms like “taipa” have taken hold, this event deliberately throws down a challenge with the idea that “wasted time is the ultimate luxury.” We visited the venue to find out just what draws so many people to it.

(By Seira Unekouchi)

Source: news.yahoo.co.jp / Original article here

What people said

12AnonymousSep 20, 2026 17:57
I love just endlessly polishing mud balls (dorodango) — it gives me that same cool, tingling feeling at the back of my head you get from staring at a candle flame.
54AnonymousSep 20, 2026 18:06
Re: #12
Nice writing — is that a byproduct of all that mud-ball polishing?
13AnonymousSep 20, 2026 17:57
Maybe I'll try grinding a lens out of a glass plate too.
97AnonymousSep 20, 2026 18:17
Re: #13
I'll carve a skull out of quartz then…
14AnonymousSep 20, 2026 17:58
People who slap "taipa" and "cospa" (cost-performance) labels on everything should just hurry up and die. If we're all going to die eventually anyway, work and studying in this world are meaningless.
167AnonymousSep 20, 2026 18:33
Re: #14
Exactly! Everything in this world is just a way to kill time until we die! If you can't enjoy free time, you might as well go check out the afterlife!
15AnonymousSep 20, 2026 17:58
Rethink what "taipa" actually means. Wasting 10 minutes on a crappy video is worse performance than spending 60 minutes on something genuinely satisfying.
45AnonymousSep 20, 2026 18:04
Re: #15
Isn't that value-performance rather than time-performance? That sounds more like "cospa" territory.
16AnonymousSep 20, 2026 17:58
It's probably close to the meditation that sharp businesspeople and executives practice. This one's a bit too long, but making it a habit boosts your performance when it counts.
24AnonymousSep 20, 2026 18:00
Re: #16
Meditation is like defragging your mind — you sleep great afterward.
47AnonymousSep 20, 2026 18:04
Over 1,000 people on the cancellation waitlist — that's not "taipa" at all lol. Just go do it by a riverbed already lol.
103AnonymousSep 20, 2026 18:19
Re: #47
Children polishing and stacking stones at Sai no Kawara — "stack one for father, stack two for mother" (a nod to the old Buddhist legend of children piling stones on the riverbank of the afterlife).
60AnonymousSep 20, 2026 18:07
Keeping a pet, spending hours hand-washing your car, pulling weeds, power-washing your fence with a Kärcher, taking up some other time-consuming hobby — you don't need to polish stones to deliberately carve out time to just laze around.
75AnonymousSep 20, 2026 18:11
Re: #60
Isn't the point that you can brag about it to other people afterward?
64AnonymousSep 20, 2026 18:08
Even a stone shines once you polish it… and yet look at you guys…
72AnonymousSep 20, 2026 18:10
Re: #64
I used to polish mud balls (dorodango) — is that still a thing kids are into?
113AnonymousSep 20, 2026 18:22
Re: #64
Everyone here already shines without any polishing.
77AnonymousSep 20, 2026 18:11
I do something similar for work — I spend all day slicing blocks of beef thin on a slicer. It takes about 15 minutes to finish cutting one block. While I'm working I feel like I'm copying sutras (shakyo); my mind goes blank and everything just clears out.
140AnonymousSep 20, 2026 18:28
Re: #77
I want to switch to a job like that. I'm exhausted.
86AnonymousSep 20, 2026 18:13
In terms of sheer pointlessness, it's really not that different from video games.
100AnonymousSep 20, 2026 18:18
Re: #86
Those days spent hunting for the Muramasa blade in Wizardry…
91AnonymousSep 20, 2026 18:15
Sounds like popping bubble wrap. Whoever figured out how to turn this into money is a genius.
96AnonymousSep 20, 2026 18:17
Re: #91
Wait, they're charging people money to do this?
93AnonymousSep 20, 2026 18:16
Isn't this basically Zen? Like the old story of polishing a roof tile trying to turn it into a mirror.
111AnonymousSep 20, 2026 18:21
Re: #93
Japanese people have really warped their understanding of the Zen spirit — the moment they get free time, they suddenly can't sit still.
101AnonymousSep 20, 2026 18:19
Re: #97
A crystal skull, huh. I hear there are quite a few quartz collectors out there, so it might actually sell.
123AnonymousSep 20, 2026 18:24
Re: #101
Manage your "taipa" carefully, crank out a bunch, and cash in.
105AnonymousSep 20, 2026 18:20
What do people who keep going on about "taipa" actually do with all that precious time they supposedly save?
114AnonymousSep 20, 2026 18:22
Re: #105
Probably just burn it away listlessly. By that point their dopamine's already run dry anyway.
120AnonymousSep 20, 2026 18:23
Re: #105
Apparently the logic is that watching dramas and anime at 2x speed lets you get through twice as many. Though they also admitted they barely remember any of the content!
112AnonymousSep 20, 2026 18:21
Apparently the only people who go to this are middle-aged guys who never cared about "taipa" to begin with.
126AnonymousSep 20, 2026 18:25
Re: #112
Being a middle-aged guy myself, I totally get why this would be soothing.
125AnonymousSep 20, 2026 18:24
I don't think doing something meaningless is the right approach.
136AnonymousSep 20, 2026 18:27
Re: #125
If something has meaning, then there's room for failure and success — like figuring out how to polish more, more efficiently. People probably just got sick of all that.

Background and Key Points of Debate

“Taipa” (short for “time performance”) is a term that spread mainly among Gen Z starting in the early 2020s, describing behavior — like watching videos at double speed or consuming summarized information — that prioritizes satisfaction per unit of time. This event stands out for deliberately turning its opposite, “wasted time,” into a product, and the fact that applications flooded in for a mere 45 slots speaks to just how much it resonated. On the thread, many comments approvingly compared getting absorbed in simple repetitive tasks to meditation or sutra-copying, while others pushed back, arguing that rejecting “taipa” outright is itself a form of not thinking things through — so opinions on the taipa mindset are far from unanimous. Some posts also drew an easy connection between stone-polishing and Zen practice, but it’s worth noting that the article itself never frames the event as Buddhist training — it’s presented simply as a way to let people experience the benefits of “wastefulness” firsthand.

*This article is compiled by excerpting and summarizing the 5ch (News Speed+) thread “Deliberately ignoring “taipa,” all you do is polish a stone for 90 straight minutes… “Immersion” and “savoring wastefulness” turn out to have a healing effect.”

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