A collaboration campaign titled "Ninjaboy Rantaro: Play Hard!? Physical Challenge Arc at Round One" is set to launch at ROUND1 locations across Japan starting Saturday, April 18, 2026, running through Sunday, June 21, 2026.
Campaign Title: Ninjaboy Rantaro: Play Hard!? Physical Challenge Arc at Round One
Campaign Period: Saturday, April 18, 2026 – Sunday, June 21, 2026
Venues: ROUND1 stores nationwide ※Participating stores vary by campaign
Campaign Special Site: https://www.round1.co.jp/collaboration/nintama/index.html
※Details are subject to change without prior notice.
Collab Menus
Collaboration menus will be available at 92 bowling, karaoke, Spotcha, billiards, and darts locations nationwide. Customers who order a qualifying collab menu item at participating stores will receive an exclusive collab menu novelty gift.
Collab Packs
Collaboration packs will be sold at 99 bowling stores, 92 karaoke stores, 54 Spotcha stores, 46 billiards stores, and 74 darts stores nationwide. Customers who use a facility with a collab pack will receive an exclusive collab pack novelty gift.
Amusement Crane Game Prizes and Must-Buy Campaign
Collaboration-exclusive crane game prizes will be featured at 99 ROUND1 stores nationwide. At the same time, customers who insert 500 yen into a qualifying crane game at any of the 99 nationwide ROUND1 stores will receive an original A5 clear file as a guaranteed gift.
※Prizes are available while supplies last.
Spotcha Corner Digital AR Stamp Rally
Visitors who collect 3 stamps by exploring the Spotcha floor will receive an original A5 clear file.
Collab Rooms
Themed collaboration rooms decorated with TV anime Ninjaboy Rantaro artwork will be available at 8 stores:
- Sapporo Susukino
- Diver City Tokyo Plaza
- Ikebukuro
- Kichijoji
- Yorocca Kasugai
- Umeda
- Fukuoka Tenjin
- Sendai Izumi
Bowling Excita
At 97 bowling stores nationwide, the bowling score display monitor presentation can be switched to a collaboration-themed version. This feature is available alongside collab pack purchases.
Bowling 2-Game Score Registration Campaign
At 97 bowling stores nationwide, customers can register a combined 2-game bowling score to enter a campaign. Customers whose 2-game total meets the qualifying score will receive an original A5 clear file. Participation is encouraged.
SNS Campaign
A giveaway campaign is available to those who follow the official ROUND1 account on X (Twitter) and repost the relevant post.
For details, check the "【公式】ラウンドワンライブ＆コラボ" X account: https://x.com/round1_fanevent
Original Goods
Original goods featuring newly drawn illustrations will be sold at select ROUND1 stores. Online sales are also available.
Online Sales: https://www.chugai-contents.jp/blog/event/nintama_round1/
Pre-order Period: Saturday, April 25, 2026 – Sunday, June 21, 2026, 11:59 PM
※Goods sales are only conducted at the 8 stores listed above. Goods are not available at other stores.
©Sobee Amako / NHK・NEP
