No gambling, no alcohol, no smoking. It's a healthy mahjong tournament we've run in Tokyo since 2022, and we're looking for companies and shops to back it with us.
Our strength is density rather than scale. Each event puts 12 to 18 players (2026 events) in one room, from half a day (about 6 hours) to a full day (about 10 hours). Your name isn't an ad they scroll past. It reads as a company backing something they turn up for.
Every event runs with 12 to 18 players (2026 events) in the room, from half a day (about 6 hours) to a full day (about 10 hours). Your signage, prizes and samples sit in front of them the whole time.
We publish the all-time records of 127 players on our official site. Players come back to it to check where they sit. Your logo can sit there too.
I take the event photos myself at the venue, then add your logo to them afterwards. You're welcome to use them as they are in your own marketing.
After each event we send through a report: how many turned up, the age mix, where your name appeared and the photos. You can see exactly what the sponsorship did.
You can try a single event, or back a full year. The buttons below switch how the prices are shown.
¥5,000+ worth of goods, per event
A good size for a first sponsorship
¥50,000 / year, 6 events
About ¥8,300 per event (17% off)
¥150,000 / year, 6 events
¥25,000 per event (17% off)
¥300,000 / year, 6 events
¥50,000 per event (17% off)
| Benefit | In-kind | Supporter | Event partner | Title sponsor |
|---|---|---|---|---|
| Name announced at the awards ceremony | ○ | ○ | ○ | ○ |
| Post-event report | ○ | ○ | ○ | ○ |
| Mention in our posts on X | ○ | ○ | ○ | ○ |
| Name or logo in the event page sponsors section | × | ○ | ○ | ○ |
| Logo linked to your website | × | × | ○ | ○ |
| Logo signage and flyers at the venue | × | × | ○ | ○ |
| Sampling and flyers to all participants | × | × | ○ | ○ |
| "Supported by" credit under the event title (one per event) | × | × | × | ○ |
| Announcements and a greeting slot | × | × | × | ○ |
| Permanent logo on the all-time rankings page | × | × | × | ○ |
| Reuse licence for photos and reports* | × | × | × | ○ |
Each price shown is the total you pay. Annual plans are billed up front for a season of six events, at 17% off the per-event rate.
We're not registered as a qualified invoice issuer under Japan's invoice system.
* Reuse licence = permission to use event photos and the post-event report in your own marketing, such as your website, social media, in-store displays and flyers. It covers only photos in which no one's face is visible, and only the figures in the report (attendance, age mix and exposure results). Terms and duration are explained on application.
We may decline sponsorships that conflict with the healthy-mahjong ethos, such as gambling-related products or products unsuitable for under-20s.
Send us a message with 'sponsorship' in it. That's all we need to send our media kit back.
We can meet online or near Shimbashi, and settle on the plan and where your name goes.
We sign a short agreement, then send the invoice. Once payment lands, we start getting things ready.
Your name goes up on the site and into the announcements. On the day it's on the venue signage, and we say it out loud.
We send through the exposure results and the photos. Decide about the next one once you've seen them.
Not sure which plan fits? That's fine. Tell us your budget and what you're after, and we'll come back with a suggestion.