Overview

To celebrate the 1st anniversary of Smilegate's roguelike RPG "Chaos Zero Nightmare," the collaboration cafe "Nightmare Cafe" with maid cafe chain maidreamin is held at 8 shops nationwide. Three shops in Akihabara take part, and at Akihabara LIVE RESTAURANT Heaven's Gate, cosplayers dressed as Season 5's new characters serve as one-day managers.

Highlights

Three foods and three drinks inspired by Season 5's new characters Rossweisse, Blazebell and Dahlia are on the menu. Foods come with a food pick and a die-cut sticker.

Rossweisse's Omelette Rice (¥1,700)
Blazebell's Cookie Cake (¥1,500)
Dahlia's Cream Pasta (¥1,900)
Rossweisse's Kyoho Grape Ginger / Blazebell's Strawberry Tea / Dahlia's Royal Milk Tea (¥1,100 each)
Each drink comes with the matching character coaster (3 types)
A food + drink set order gets one can badge of your choice (3 types)
One-day manager events (Akihabara LIVE RESTAURANT Heaven's Gate; part 1: reception from 12:30 / event 13:00-14:00, etc.): Oct 18 (Sun) Chinetsu (Dahlia), Oct 25 (Sun) Moe Iori (Rossweisse), Nov 1 (Sun) Ami Honami (Blazebell), Nov 8 (Sun) Karin Inuno (Rossweisse)
The one-day managers will draw on omelette rice, plus a lottery and photo sessions

Event Details

Dates: October 16 (Fri) - November 15 (Sun), 2026
Akihabara shops: maidreamin Akihabara Main Shop / Akihabara LIVE RESTAURANT Heaven's Gate / Akihabara Sotokanda 1-chome Shop
Other shops: Ikebukuro Sunshine-dori, Osaka Namba, Nagoya Osu Manekineko-mae, Sapporo Tanukikoji, Kokura Aruaru City
Hours: Follows each shop's hours
Price: ¥880 entry charge (tax included) plus at least one order; menu prices include tax
Reservation: Not required (details and how to apply for the one-day manager events are on the official "Chaos Zero Nightmare" X account)
Note: Novelties are limited and end when supplies run out