Matsuya's Official X Teases Collab with Junk Garage: "Umatoma Mazesoba" — Available at All Stores from April 22

Matsuya’s official X account (@matsuya_foods) announced the release of the collaboration item “Umatoma Mazesoba” on April 13, quote-reposting a post from mazesoba chain Junk Garage (@_junkgarage).

Matsuya’s official post:

This time, it’s Umatoma Mazesoba (´∀｀)

Coming April 22 to all Junk Garage stores — please give it a try!

Junk Garage’s post (quoted source):

Wa-wait a second… If it’s already out there, we might as well say it too! 🤣

Matsuya × Junk Garage A dream collaboration 🔥

Umatoma Mazesoba On sale at all Junk Garage stores from Wednesday, April 22!!

Collaboration Overview

Item	Details
Product Name	Umatoma Mazesoba
Release Date	Wednesday, April 22, 2026
Available At	All Junk Garage stores
Collaboration Details	Matsuya’s “Umatoma” sauce brought to Junk Garage’s mazesoba

The Umatoma Series Expands to an Outside Brand

Matsuya’s flagship “Umatoma” series is now spreading to Junk Garage. Just days earlier, on April 7, the “Umatoma Cheese Beef Bowl” was released, and the brand expansion of Umatoma sauce is picking up pace.

Date	Umatoma Rollout
April 7, 2026	Umatoma Cheese Beef Bowl (Matsuya)
April 22, 2026	Umatoma Mazesoba (Junk Garage)

Junk Garage’s quip — “If it’s already out there, we might as well say it too!” — in response to Matsuya’s official post also hints that word got out before the official announcement.