Kumachan Onsen: The Hot Pot Bear That Melts in a Sauna

If you know me, you probably already know that I have a weakness for themed restaurants. Add an adorable bear sitting in a hot pot “onsen” to the equation and, well… obviously I had to go.

Kumachan Onsen is a shabu-shabu restaurant in Shibuya where your meal comes with an adorable little bear made from gelatin. The bear sits in the middle of your hot pot, complete with his tiny towel, and slowly melts into the broth as everything cooks.

And yes, the bear is literally taking a bath.

The name “Onsen” refers to a Japanese hot spring, and the whole concept is based on the traditional image of someone sitting in a Japanese bathhouse with a little towel folded on their head. Except instead of relaxing in a hot spring, this little guy is about to become dinner.

Honestly? I love it.

This fall, while I was in Japan celebrating my birthday, I finally got to experience the infamous hot pot bear for myself.

If you’re planning a trip to Japan and want to find more fun themed restaurants, save my Cool Girl City Themed Cafe Google Maps for your next trip!

Finding the Bear

I had spent the entire day shopping my way through Harajuku and Shibuya, so by the time dinner rolled around, I was ready for some hot pot.

I followed the directions to the restaurant and found myself standing in front of a building that looked… surprisingly normal.

I actually had a moment of, “Wait. Is this it?”

There wasn’t some giant bear out front or anything particularly obvious announcing that I had arrived at the home of the world’s cutest hot pot. But then I peeked inside and immediately started seeing adorable bear prints everywhere.

Yep. This was definitely the place.

Once inside, I discovered that the lower level was dedicated to desserts while the actual restaurant was upstairs. The receptionist greeted me and immediately said my name when I walked in.

This happened at pretty much every reservation I made in Japan, and I still found it hilarious. Apparently Japan was fully prepared for this random American tourist to show up for her very specific dinner reservations.

Honestly, I appreciated the efficiency.

Thank you, Japan.

I was sent upstairs, where I was shown to a window seat overlooking the backstreets of Shibuya. Not a bad view for dinner.

Kumachan Onsen is reservation-only, but you can make a reservation here.

Ordering My Hot Pot

I was given an English menu and told to scan a QR code to place my order.

There were several shabu-shabu soup options, including chicken collagen, pure rice ginkgo miso, Korean gochujang, and soy milk. I went with the Golden Hot Water Bonito soup stock with beef.

Then it was time for my favorite part: making my sauce.

There was a sauce bar where I could mix and match different flavors, and I honestly don’t remember exactly what I put together. I do remember trying a combination I’d never had before that was surprisingly delicious.

And, naturally, I added garlic.

Because everything is better with more garlic.

I happily trotted back to my seat with my sauce concoction and waited for the main event.

Time for the Bear to Take a Bath

A portable tabletop burner and a dish of vegetables arrived at my table, and suddenly I was even more excited.

I unfolded the provided paper apron, looked at myself in the window, and settled in for some people-watching while I waited.

Then he arrived.

A cute, bouncy brown bear sitting in a little silver hammered bowl.

He was adorable.

And now it was time for Mr. Teddy to have his onsen experience.

I did have a slight problem getting the burner started. I could smell the gas but couldn’t figure out where the flame was, so naturally my brilliant solution was to keep turning the dial.

Suddenly, a giant flame shot up.

I jumped.

So, you know, that was fun.

Once I figured out how the burner worked and confirmed I wasn’t about to accidentally burn down the restaurant, Mr. Bear was ready for his sauna.

And this is the part that makes the whole experience so fun.

You just watch him melt.

It took around 10–15 minutes for the bear to completely dissolve into the broth. As he slowly melted, I added the gelatin to the soup as instructed, which thickened the broth, and started adding my vegetables.

It was basically dinner and a tiny bear spa treatment happening at the same time.

Obviously, I Bought a Bear

Because there was absolutely no way I was leaving without a souvenir.

I found an adorable little Kumachan Onsen hot pot bear gachapon that came in three pieces. Even better, the bear’s head bobbled just like the real thing.

Too cute.

Of course I bought it.

Was It Actually Good?

You might expect a restaurant like this to be all gimmick and no substance.

Thankfully, Kumachan Onsen wasn’t.

The food was actually quite good. The beef wasn’t overly chewy, and it paired really well with the sauces I’d made. The broth had plenty of flavor, too.

I had been looking forward to finishing the broth because that’s usually one of my favorite parts of hot pot, but unfortunately it got really thick after the bear gelatin melted into it. I ended up leaving about half of it behind.

Sad face.

My reservation gave me 80 minutes, which was more than enough time to eat without feeling rushed. I also would have loved to try one of the cute desserts downstairs, but, as I mentioned in my Vampire Cafe post, my body was not particularly interested in letting me enjoy Japan’s desserts as much as I wanted.

So I’ll just have to save those for another trip.

Would I Recommend Kumachan Onsen?

Themed restaurants sometimes get dismissed as being overpriced gimmicks, and honestly, sometimes they are.

But I don’t think Kumachan Onsen falls into that category.

Yes, you’re absolutely paying for the experience. The bear is the whole reason this restaurant is memorable in the first place. But the food was good, the restaurant was cute, the experience was genuinely fun, and I left with a tiny bobbling bear.

That’s a win in my book.

If you’re already planning to visit Shibuya and love quirky restaurants, cute food, or experiences you can’t really have anywhere else, I’d definitely add Kumachan Onsen to your list.

And really, how often do you get to watch your dinner take a bath before you eat it?

Check out Kumachan Onsen Shibuya on Instagram.

Would you try the hot pot bear? Let me know in the comments!