A standing appointment
Every Saturday, 7pm. The promise never changes. That's why people return — with friends, with someone new, sometimes alone. Continuity is what builds a community.
“Everyone was a stranger. Somehow we closed the place down together. That's MOSAIC.”
On Saturday nights in Tokyo, the world gathers on a small floor in Roppongi. MOSAIC is a four-hour party held every single week. Country, profession, age — none of it matters. Music, drinks, and a chain of first hellos. Not a one-off, but a connection that repeats every week.
Move to a new city and building real friendships is surprisingly hard. Not followers. Not the people you swapped business cards with. You wanted real friends — the kind you can text on a weekend.
Not as a visitor passing through, but woven into a community that actually lives here.
People at the same point in life — building, doubting, becoming. Equals, so the conversation is honest.
Friendship doesn't happen once. So we made the appointment weekly. Same place, same night, always there.
MOSAIC is the answer to a simple question — where do you actually belong in this city?
“The best connections happen between people who keep coming back. So we built a place worth coming back to. Every Saturday, without fail. That's all.”
Every Saturday, 7pm. The promise never changes. That's why people return — with friends, with someone new, sometimes alone. Continuity is what builds a community.
Exchange students from Europe, founders from North America, creators from Southeast Asia, and people born and raised in Tokyo. At MOSAIC, the night has no borders.
From 7pm to 11pm. No set program, no name tags. Just drinking, dancing, laughing. That alone becomes the richest time.
Scenes from past MOSAIC nights. Every Saturday, a night like this is waiting.










For anyone who wants to feel it out first. No reservation, just come to Sette.
If you're coming every week, this is the one. Monthly, and Saturday night becomes yours.
Secured by Stripe — cancel anytime
Right after payment is confirmed. From the next Saturday, your entry is free and drink tickets are ready. Bring the receipt email from Stripe on the night.
Drink tickets are issued monthly — 5 per month, reset at the start of each month. No roll-over. Use a fresh 5 every month.
Yes, anytime. Open 'Manage Subscription' from your member page. Even after cancelling, benefits stay valid until the end of that month.
Of course — friends are welcome. But member benefits apply to you only. Your guest pays the regular door price (¥2,000 first time).
On rare occasions — national holidays, New Year — we pause. We announce in advance via social media and email, and pro-rate membership for any paused month.
Sette, in Roppongi. We'll send the exact address and access details by email once you become a member.