なめこ栽培キット is not just doing a vague birthday post for its 15th anniversary. The official June 30 announcement lays out three concrete projects for the second half of 2026, turning the milestone into a real second-half campaign rather than a simple commemorative visual.
For longtime fans, the appeal is that each project hits a different part of the fandom. One is a broad national game-center and entertainment rollout, one is a Tokyo retail pop-up, and one is a sweets collaboration that sounds built for collectors who want themed food and bonus items.
What The Announcement Actually Confirms
Official Nameko 15th-anniversary announcement says the franchise hit its 15th anniversary on June 30, 2026 and immediately attached three large projects to that milestone rather than leaving fans with a commemorative visual and no plan.
The page already gives dates, locations, and format for most of the rollout, so the calendar is clearer than a simple anniversary teaser.
The full Japanese announcement lists the currently announced details available so far.
Confirmed Details
- Round One collaboration: July 27 to October 25, 2026.
- Round One plan: nationwide prize goods plus collaboration packs, collaboration drinks, and bowling score-screen content.
- Round One footprint: 98 bowling stores, 93 karaoke stores, 47 billiards stores, 75 darts stores, and 55 Spo-cha stores, with the note that the count can still change if stores open or close.
- 15th-anniversary pop-up store: October 2 to October 15, 2026 at Ichiban Plaza in Tokyo Character Street inside Tokyo Station First Avenue.
- Pop-up promise: 15th-anniversary goods, additional new merchandise, and Nameko decorations around Tokyo Station First Avenue during the event period.
- Sweets Paradise collaboration: planned for December 2026 at six stores nationwide, including Tokyo and Osaka, with collaboration menus, novelties, and goods.
That mix is why this anniversary feels bigger than a single merch drop. The Round One leg is built for wide access, the Tokyo Character Street stop is the collector-focused retail moment, and the Sweets Paradise phase is the food-and-novelties finish to the year.
The schedule already breaks into clear phases: July through October for Round One, early October for the Tokyo pop-up, and December for the Sweets Paradise collaboration.
What Has Not Been Announced Yet
Exact Sweets Paradise branch names, menu images, and store-by-store opening dates have not been published yet.
The December collaboration window is confirmed, but the later store list and goods visuals are still pending.
