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.

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.

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.

*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.

*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.

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.