Ep 5 Kotatsu Japanese Podcast 1

Learn Japanese
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8 Video Views·Mar 12, 2026
Hello everyone
Welcome to my Japanese podcast I'm Mai
I hope everyone is doing well
Today as soon as I woke up this morning I couldn't help but
I was so cold I actually cried
out "Wow it's freezing "
— it was incredibly cold this morning and getting
out of bed was really really tough
Winter is coming ever closer isn't it
Ah yes that cozy warmth inside the futon
Isn't it absolutely wonderful
That cozy warmth inside a futon is amazing but
Japan has something just as warm
if not possibly even better—something
even more powerful than that as a heating essential
That is a kotatsu
Today I'd like to talk
about the Japanese kotatsu Do
you all know what a kotatsu is A kotatsu is
Place a low coffee table on the floor or tami mat
and there's an electric heater attached to the underside of this tabletop placed right there
A special blanket used with a heating appliance known as a kotatsu blanket
and this is it
It's seriously dangerous—so incredibly hot
Originally kotatsu are said to have begun
about 600 years ago during the Muromachi period
Back then Japanese people
A hearth known as an irori was created by digging a square pit in the
floor placing charcoal or other fuel inside and lighting a
fire—this is how they used to heat their homes
And it is said that placing a table on
top of that and draping it with
a cloth marked the beginning of the kotatsu which dates back to about 70 years ago
By the 1950s electric kotatsu heaters had made their debut—yes
the very same kotatsu often seen in Japanese dramas and films
We had been using fire for warmth which was cozy but
it was hard to manage and
also carried the risk of fire
But when electric kotatsu units
appeared and became usable with just a
single switch they quickly gained
widespread popularity—right around this time
It was also an era when household appliances like televisions washing machines and refrigerators became increasingly widespread
Following that trend kotatsu gradually became widespread in households across
Japan and it was around this time that many Japanese people began using kotatsu
How popular kotatsu were can be seen from the fact that within
just about ten years of electric kotatsu being introduced
By the late
1960s it's said that about 80
percent of Japanese households owned a kotatsu Moreover
From the 1970s through the 1980s an astonishing 90% of Japanese households had kotatsu—
so much so that it's fair to say you couldn't truly talk about winter in Japan without one
So why has it been so
beloved all along There are several reasons and
the first is simply that it's incredibly warm—truly genuinely warm
It's genuinely warm and unlike other heating devices it also has the advantage of
keeping the room from drying out—plus the
second reason is that it’s inexpensive to run
Japan has high electricity bills but surprisingly kotatsu heaters are
relatively inexpensive to run earning them the reputation of being the best value
When people talk about value for money they'referring to cost performance
It means achieving significant results or satisfaction with little money or time
therefore saying something has good value for money implies it's extremely worthwhile
So why is it a good value
Because the kotatsu blanket covers the entire surface it prevents heat from
escaping allowing you to maintain warmth continuously with just a low energy setting
That's why it's energy-saving "
energy-saving" means conserving
energy referring to the efficient use of energy without waste
This combination of value for money and energy efficiency—these two words are frequently used in Japanese so
please make sure you remember them
And the third reason is
That's because it becomes a natural gathering place for the family—on cold
days everyone literally gathers around the kotatsu coming together as one
And there we'd gather around the kotatsu chatting and sharing
meals together—truly the kotatsu is quintessentially Japanese
I've become a symbol of that cozy alcove even when
I was young there was a kotatsu in that living room
So even now just thinking about it fills me with a truly
warm feeling That said as with any kotatsu there are plenty of
familiar quirks and little jokes that come with it
What this common occurrence means is something that
frequently happens—something most people have experienced
So when someone hears it they go "Oh
I get it—I've been there too " which is exactly the kind of shared experience we'
re talking about For instance the first one is that once you
get into a kotatsu you just can't bring yourself to get out
I think most Japanese people have already experienced this
Yes just a little more rest that was the plan
Once you get into the kotatsu
it's all over—you just can 't
bring yourself to get out it's that incredibly warm
It's so cozy in here that if you really have to leave you need to psych yourself
up with a "Alright " or "Ready set "—otherwise you just can't bring yourself to go
After that you suddenly feel like you need to go to the bathroom—so you go
and then when you come back you just end up crawling back
into the kotatsu again That happens all the time
The second one is eating mandarins
endlessly — I think many Japanese people
can relate to this experience — those mandarins in the kotatsu you know
This duo is so iconic now that they're practically a legendary pair—so much so that
you'll often see them featured in anime and
dramas always cozied up inside a kotatsu
I think you often see dishes piled high with mandarins
Yes but when you see a mandarin sitting on the table right on top of the kotatsu
you just can't help yourself
I couldn't stop myself once I started eating I'd
just keep going forever—same with me when I was little
There were obviously so many mandarins piled up on that kotatsu that
once I ate one I just kept going—two three four five and on and on
I ended up eating them all and when I realized it
there was a huge pile of orange peels right here
which happened to be the case during New Year's
when I'd bought so many oranges
That kotatsu—after climbing inside and eating countless tangerines my palms ended up like this
I've even had the experience of something turning an incredibly bright intense yellow
The third one is when you suddenly fall asleep
without realizing it Yeah that's so relatable It's really true— you
didn't even plan to sleep but somehow you're already drifting off
into a dreamlike state And then you suddenly realize
When I wake up I sometimes say I'll take a short nap like two or
three hours later and when I actually lie down that's exactly what I do
It's not something you can just brush off—it happens
all the time I end up falling asleep for hours
And you know I think this is something that happens all the time—when you fall asleep in the kotatsu your mom always gets mad at you
saying you'll catch a cold if you sleep in there
Don't sleep in front of the kotatsu if you're going to sleep use the bed
you know—this is another classic line you often hear from Japanese mothers
You'll catch a cold if you sleep under the kotatsu Yes I've actually been told that by my mom countless times
Yes well my memory of that kotatsu
is this: every year around New
Year's NHK broadcasts a music show called the Kōhaku Uta Gassen
This show is so famous that as the year ends most
Japanese people probably tune in to the Kōhaku Uta Gassen
I grew up watching the Kōhaku Uta Gassen since I was little so when I'm sitting
in the kotatsu like this watching the Kōhaku Uta Gassen I guess before I know it
I get so sleepy I don't even realize it
and then I'm just asleep like this Whenever I do Mom
always says "Not so fast Mai-chan—no sleeping here
you'll catch a cold if you nap in the kotatsu "
It's often said that lying in a kotatsu for too
long can lead to catching a cold so many
Japanese people have that image in mind but it's just so
comfortable that you end
up falling asleep anyway Yes
And the fourth one is suddenly craving ice cream
It's really strange but when I'm under the kotatsu
I suddenly feel like eating something cold like
ice cream—though I have no idea why it's just that being warm somehow makes me crave something icy
Eating ice cream inside a kotatsu is
incredibly delicious so I used to do it all the
time as a kid—crawling into the kotatsu just
to enjoy ice cream it was absolutely amazing
That's the thing—of course ice cream is delicious on a hot summer day but ice
cream eaten in a cozy kotatsu during a
cold winter day is truly amazing yes indeed
The fifth common situation is having your kotatsu taken by your pet Yes the
spot where the fiercest battle takes place is right in the middle of the kotatsu
That's why cats and dogs
end up claiming those prime
spots leaving humans feeling utterly embarrassed
That's why if a cat or dog sneaks into the middle we're just stuck with our feet like this
It's warm but we keep getting pushed to the slightly colder edge
and probably the pets understand this too
that this spot is actually the warmest and best place here
That's why when winter comes both the dog and the cat end up gathering around the kotatsu
The sixth common situation is the remote control being just out of reach
Yes this happens all the time I think—like when the remote
is far away and you really want to grab it but can't reach
Even though it's out of reach I keep trying
anyway—like I'm stubbornly pushing myself to
reach something I know I can't touch just
because I don't want to leave the kotatsu
Little by little just like this moving bit by bit then grabbing the remote
control like this—I've done this so
many times now I can't even count anymore
That's why you gradually lose the urge to even get up from the kotatsu and
before you know it everything you need keeps piling up around it just within reach
That's why tissues and the remote control were always within easy reach
Snacks right nearby oranges within reach—yeah it's so common
things just keep piling up around you it happens all the time
There are countless fun and familiar features that
have made kotatsu a beloved fixture for generations
but recently they've evolved even further—modern kotatsu are increasingly simple and stylish
The variety of kotatsu blankets has
also greatly expanded so there are now
more design-focused kotatsu options
available and what's really impressive is
Even pet-sized kotatsu are being sold lately isn't that amazing It 's
such a tiny kotatsu yet it fits right inside this little kotatsu
Cats and dogs are inside it's
incredibly cute yes here I'd like
to introduce you
to some Japanese expressions related to kotatsu
The first phrase is "sleeping off in a kotatsu " which I
just used a moment ago—what I mean by "sleeping off" is
Even if you didn't plan to sleep you end
up falling asleep without noticing—this is
called "sleeping through " Another common
expression is "lying around in a kotatsu "
Lying around and doing nothing really
means just lounging down so lying there
scrolling through your phone or vaguely watching TV you know just idling
Spending time like that lazily
That's what we call lounging around
Yes I've talked at length about the charm of the kotatsu
But in reality using a kotatsu now accounts for only about 25% of heating needs as more people are
turning to central heating systems like air conditioners
or underfloor heating to warm their entire homes
That's why I still feel a little lonely you see because a kotatsu isn't just a heating
device—it's a cherished presence filled with
memories and family time for Japanese people
Many Japanese people still fondly remember and reminisce about the kotatsu
because there were always those special moments
spent together as a family around the kotatsu
Gathering around the kotatsu family
members would watch TV and laugh chat
together and share meals—those cherished
memories are what the kotatsu gave us
I hope someday everyone will get a chance to visit Japan and experience a kotatsu firsthand
Yes today we talked about Japanese kotatsu
Thank you so much for listening to the end
See you in the
next podcast Bye-bye
