DMM.com LLC (headquarters: Minato-ku, Tokyo; Innovation Company CEO: Yu Ogata, hereinafter DMM) announces the return of a collaboration stamp rally featuring the manga Tying the Knot with an Amagami Sister (Kodansha) to Nantan City, Kyoto Prefecture, from February 16, 2026.
Hosted by Nantan City and planned by DMM's regional revitalization division, this marks the second year of the initiative following its successful debut in 2025.
Background
DMM has been engaged in regional revitalization since 2019, addressing local challenges across Japan through its diverse business portfolio.
Building on last year's success, this collaboration with Nantan City—the birthplace of Tying the Knot with an Amagami Sister creator Marcy Naito—aims to showcase both the manga's charm and the city's attractions. The event creates opportunities for visitors from across Japan to explore Nantan City, contributing to regional tourism and economic vitalization.
Collaboration Details
Event Name: Nantan City × Tying the Knot with an Amagami Sister Collaboration Stamp Rally
Event Period: February 16, 2026 (Monday) to March 15, 2026 (Sunday)
Host: Nantan City
Planning & Management: DMM.com LLC Regional Revitalization Division
Copyright Holder: Kodansha
Copyright Notice: ©Marcy Naito/Kodansha
Event Special Website: https://www.city.nantan.kyoto.jp/www/even/120/000/000/index_1016658.html
Event Features
① Original Artwork & Life-Size Standees
Creator Marcy Naito has drawn exclusive illustrations specifically for this collaboration. Life-size character standees will be displayed at JR Sonobe Station.
② Nantan City Stamp Rally
Visitors can explore Nantan City through a stamp rally featuring character panels at various locations. The three Amagami sisters and other characters from the series welcome participants at each spot.
◆ Rally Map Distribution & Prize Redemption Location
Nantan City Tourism Association (6-21 Mizobe, Oyama Higashimachi, Sonobe-cho, Nantan City, Kyoto)
◆ Nantan City Stamp Rally Locations
| Location | Character | Address |
|---|---|---|
| Nantan City Tourism Association | Uryuu Kamihaji | 6-21 Mizobe, Oyama Higashimachi, Sonobe-cho, Nantan City |
| Nantan City Sonobe Cultural Hall (Asuel Sonobe) | Yae Amagami | 2-22 Honmachi Minami, Sonobe-cho, Nantan City |
| JR Sonobe Station | Yuna Amagami | Mizobe, Oyama Higashimachi, Sonobe-cho, Nantan City |
| Ikimi Tenmangu Shrine | Asahi Amagami | 67 Misonoo-cho 1, Sonobe-cho, Nantan City |
| Inuishi Bookstore | Hakujitsu Tsuruyama | 33 Honmachi, Sonobe-cho, Nantan City |
| Nantan City International Exchange Center | Mahiru Anekoji | 62-1 Kozakura-cho, Sonobe-cho, Nantan City |
Note: When Nantan City International Exchange Center is closed, stamps and panels will be available at Nantan City Hall instead. All other locations maintain stamps and panels regardless of regular closing days.
③ Stamp Rally Rewards
Visitors who collect all six stamps will receive exclusive limited-edition prizes:
- Acrylic charm
- Ema votive tablet (for display at shrine)
Quantities are limited and available while supplies last.
About Tying the Knot with an Amagami Sister
This romantic comedy follows Uryuu Kamihaji, a high school student aiming for Kyoto University's medical school, who is taken in by the priest of Amagami Shrine in Kyoto. Living under one roof with the three shrine maiden sisters—Yae, Yuna, and Asahi—he pursues his dreams in this "slightly mysterious tale of love and miracles." Created by Marcy Naito, the series has surpassed 2 million copies in circulation, cementing its popularity.
About the Creator
Marcy Naito
Born in Sonobe-cho, Nantan City
Manga artist who won the Special Encouragement Award at the 98th Weekly Shonen Magazine New Manga Award and the Honorable Mention at the 99th Weekly Shonen Magazine New Manga Award.
Serializing Tying the Knot with an Amagami Sister in Weekly Shonen Magazine since 2021.
Appointed as Nantan City's Cultural Tourism Ambassador in 2022.
About Nantan City, Kyoto Prefecture
Nantan City is located in central Kyoto Prefecture with a population of approximately 30,000 and an area of about 600 km².
The city actively supports next-generation creators through its unique "Next-Generation Creator Support Subsidy Program."
- Nantan info (X account): @nantan_info
- Nantan City Official Website: https://www.city.nantan.kyoto.jp/www/index.html
About DMM Regional Revitalization
Operating under the mission "Creating sustainable businesses that contribute to regional communities as a business creation company," DMM leverages expertise, specialized personnel, and networks from its 60+ business operations to provide tailored solutions addressing local challenges. The division focuses on creating innovation ecosystems rooted in each region, establishing frameworks where businesses can continuously emerge nationwide.
DMM Regional Revitalization creates businesses across various domains. If you have concerns or challenges related to the following keywords, please contact us:
#Tourism #Inbound #Migration #Settlement #Community Relations #Workation #Promotion/Branding #Vacant House/Closed School Utilization #Education #Human Resource Development/Employment Support #Community Development #Smart City #Community Formation #AR/VR #Digital Art #DX #Online Events #Industrial Promotion/Job Creation #Entrepreneurship/Startup Support #Incubation/Acceleration #3D Printing/Manufacturing #Agriculture/Forestry #Food/Health #Fire Fighting/Emergency Services #Disaster Prevention #Sports/Esports
DMM Regional Revitalization Website: https://sousei.dmm.com/
About DMM.com LLC
Operating the comprehensive service site "DMM.com" with 51.46 million members (as of February 2025). Since its establishment in 1998, the company has expanded into diverse businesses, currently operating over 60 services. Beyond various entertainment services including video streaming, e-books, and anime, the company ventures into hardware sectors like 3D printing and EV charging, as well as cutting-edge technology businesses incorporating AI. Launched in 2022, the "DMM Premium" subscription membership system aims to create a "multi-entertainment platform" that seamlessly connects all entertainment experiences. Moving forward, the company continues to embrace change and evolution under its corporate message "A future everyone wants to see," challenging new business frontiers.
Corporate Site: https://dmm-corp.com/
Press Kit: https://dmm-corp.com/presskit/
Official Owned Media: https://inside.dmm.com/
