To commemorate the first anniversary of the launch of “Chaos Zero Nightmare (Kaozero),” a roguelike RPG provided by Smilegate, a collaboration café called “Nightmare Café” will be held starting October 16, 2026, at eight locations nationwide of the maid café chain “Meidori-min.”
Food and drinks inspired by Rossweiss Blaze Bell Dalia, a new character from Season 5, will be available, and an event featuring a cosplayer serving as a one-day manager will also take place in Akihabara.
・The event will run from October 16 to November 15, 2026, at 8 locations nationwide
・Food and drinks inspired by Rosweiss, Blaze Bell, and Daria will be available
・Receive a coaster with any drink order and a pin with a set meal order
・In Akihabara, there will be a 4-day event featuring cosplayers serving as “manager for a day”
Chaos Zero × Meidori-min “Nightmare Café” Event Overview
To commemorate the first anniversary of Chaos Zero Nightmare’s launch, a collaboration café will be held at eight Meidori-min locations nationwide. Since the start of 2026, Meidori-min has hosted events including “You Can’t Have a Romantic Comedy with Your Childhood Friend” in February , “The Angel Next Door” in April, June’s “Yofukashi no Uta,” and August’s “Azur Lane: Full Speed Ahead!” anime collaborations have continued. This time, it’s a collaboration with a mobile and PC game, featuring three new characters from Season 5 dressed as maids.
© Smilegate. All Rights Reserved.
| Event Name | “Kaozero” 1st Anniversary Meidori-min Collaboration Cafe “Nightmare Café” |
|---|---|
| Event Dates | October 16–November 15, 2026 |
| Venues (Tokyo) | Akihabara Main Store / Akihabara LIVE RESTAURANT Heaven’s Gate / Akihabara Sotokanda 1-chome Store / Ikebukuro Sunshine Street Store |
| Participating Locations (Other) | Osaka Namba Branch / Nagoya Osu Maneki-neko Branch / Sapporo Tanukikoji Branch / Kokura Aruaru City Branch |
| Business Hours | Subject to each store’s business hours (Meidori-min Store List) |
| Official Website | Special Event Page/ Press Release |
| Official X | @CZN_Official_JP |
Kaozero × Meidori-min “Nightmare Café” Menu
The menu features three food items and three drinks inspired by Rosweiss, Blaze Bell, and Dahlia. Each food item comes with assorted food picks and die-cut stickers. All prices include tax.
© Smilegate. All Rights Reserved.
| Los Weisse’s Omurice | 1,700 yen |
|---|---|
| Blaze Bell’s Cookie Cake | 1,500 yen |
| Dahlia’s Cream Pasta | 1,900 yen |
| Los Weisse’s Kyoho Grape Ginger | 1,100 yen |
| Blaze Bell’s Strawberry Tea | 1,100 yen |
| Dahlia’s Royal Milk Tea | 1,100 yen |
| Coasters (3 types total) | One coaster featuring the character corresponding to the drink you ordered |
|---|---|
| Set Order Bonus: Pin Badges (3 types total) | Choose one pin badge of your choice with a food + drink set order |
*An admission fee of 880 yen (tax included) applies. A minimum of one order is required per visit.
*Promotional items are available in limited quantities and will end when supplies run out.
*Product details are subject to change without notice. The event may be suspended or ended depending on store conditions.
Kaozero × Meidori-min “Nightmare Café” One-Day Manager Event
Akihabara LIVE RESTAURANT Heaven’s Gate will host a “One-Day Manager” event featuring cosplayers dressed as new characters from Season 5. In addition to the one-day manager drawing on omurice, a raffle and a photo session are also scheduled.
| October 18 | Chinetsu (Dahlia) |
|---|---|
| October 25 | Moe Iori (Los Weisse) |
| November 1 | Ami Honami (Blaze Bell) |
| November 8 | Karin Inuno (Los Weisse) |
| Time | Session 1: Check-in 12:30 PM– / Event 1:00 PM–2:00 PM Session 2: Check-in from 2:45 PM / Event 3:15 PM – 4:15 PM (Capacity: 50 people per session) |
| Venue | Akihabara LIVE RESTAURANT Heaven’s Gate |
*Event details and application instructions will be announced on the Chaos Zero Nightmare official X account.
Chaos Zero × Meidori-min “Nightmare Café” FAQ
When is it held, and at which locations?
October 16–November 15, 2026. Meidori-min’s Akihabara Main Store, Akihabara LIVE RESTAURANT Heaven’s Gate, Akihabara Sotokanda 1-chome Store, Ikebukuro Sunshine Street Store, Osaka Namba Store, and Nagoya Osu Maneki-neko Mae Store, Sapporo Tanukikoji Store, and Kokura Aruaru City Store—for a total of 8 locations.
Is there an admission fee?
There is an admission fee of 880 yen (tax included), and customers must place at least one order per visit.
Are there any promotional items?
When you order a drink, you’ll receive a coaster featuring the corresponding character (3 types total). If you order a food and drink set, you’ll receive one can badge of your choice (3 types total).
Are there any “One-Day Manager” events?
At Akihabara LIVE RESTAURANT Heaven’s Gate, “One-Day Store Manager” events featuring cosplayers dressed as new Season 5 characters will be held on October 18, 25, November 1, and 8. Details on how to apply will be announced on the official X account.
人気作品のキャラクターグッズ Anime Store.JP (アニスト) にて取扱中！
Please check the official website for details.
*Please note that the information in this article may be out of date. We apologize for the inconvenience, but please check the official website for the latest information.
© Smilegate. All Rights Reserved.
