Citrus shisha mix
Summer citrus
Tangerine, orange, lemon & grapefruit
うむむShisha café & bar · Oimachi

Hanafuda. A little quiet. ↗Japanese shisha & matcha.
Oimachi, Tokyo.
A little shisha. A little matcha.
Your first shisha, or simply a cup of tea.
FIRST VISIT / COWORKING
New to shisha or looking for a café to work from? Our staff will guide you from the first flavor choice. Wi-Fi and power make it easy to open your laptop and settle in.

壱 SHISHA / Japanese ornaments
A fan, a flower, a touch of Japanese craft.
Take in the details before your first puff.
Take in the ornaments as you choose your flavors. Sweet fruit, the aroma of tea, or a refreshing finish — tell our staff what you enjoy.
Our staff will guide you through choosing flavors and enjoying your shisha. Feel free to ask us anything.
◇ NICOTINE-FREE / Nicotine-free
If tobacco is not for you.
Just the aroma, taken slowly.
We keep plenty of nicotine-free flavors on hand. If this is your first shisha, start with a bowl that is nothing but aroma. Our staff will show you how it works, so please just ask.
弐 MATCHA / Matcha & Japanese tea
An iced latte. A hot latte.
Or a bowl of freshly whisked matcha.
Settle beneath the Japanese umbrellas with a matcha latte or Japanese tea. Ask our staff for a shisha flavor to pair with your drink.
Drinks-only visits are welcome. A ¥500 cover charge applies. All guests must be 20 or older.
Explore our Japanese drinks参 HANAFUDA / A moment with hanafuda
A small sign for a little quiet.
Turn the card to discover a quieter stay.
Our hanafuda sign
For time on your own, place the hanafuda card face up. We will keep conversation to a minimum, except when changing the charcoal.
Open a book. Follow a thought. Enjoy the aroma of your tea. Make yourself comfortable and take your time.
Turn the card above to reveal what the sign means.
SEPTEMBER / 2026
September’s limited shisha mixes.
Summer citrus or iced strawberry — which will it be?
Citrus shisha mix
Tangerine, orange, lemon & grapefruit
Nicotine-free shisha
Strawberry, raspberry, ice & strawberry syrup
Prices are per shisha. Cover charge and drinks are additional.
A look around Umm
Colorful Japanese umbrellas overhead and ukiyo-e prints on the walls. Settle into a sofa and take your time.
Our staff can guide you through choosing flavors and using your shisha. Tell us about the fruit or tea aromas you enjoy.
Yes. A cover charge and at least one drink per person apply. All guests must be 20 or older, including those visiting only for drinks.
For advance reservations, contact us on LINE by the previous day. For same-day reservations or availability, please call with your preferred time and group size.
We accept cashless payments only. Please contact us before visiting if you would like to confirm a particular payment method.
Wi-Fi is available in the café. You are welcome to work while enjoying a drink.
All guests must be 20 or older. We check the age of every guest, so please bring a photo ID.

Find us
A 3-minute walk from Oimachi Station
5-6-6 Higashioi, Shinagawa-ku, Tokyo 140-0011
Every day 13:00–23:30
Look for our blue neon sign and Umm curtain.
Get directions on Google MapsReservations & availability
Book ahead on LINE by the previous day. For today’s plans, give us a call.
All guests must be 20 or older. Please bring a photo ID.