help finding a restaurant!

hey guys!! i'm not sure if this is the right subreddit for this, so please take down this post if it's not, but i need some help finding a restaurant i ate at on a trip to tokyo in 2022 that i'd love to eat at again!

i only have a picture of the food, which was beef udon ordered from a vending machine. this was a restaurant near JR ueno station, walking distance from the yamashiroya just outside of the central ticket gate. the food is ordered on a vending machine and this is a restaurant where you take your dishes back to the staff yourself. there are both tables and booths and all the surfaces are bright red. again, food is ordered from a vending machine that provides a ticket with your order. i'm sorry i don't have more information but i hope this is enough to go off of!

thanks so much for your help ♡