Alhamdullilah everyone, in Sendai city, Miyagi. The city famous for its Gyutan (Beef Tongue) now they have restaurant that serving Muslim Friendly GYUTAN. The restaurant is Gyutan Yaki Yamajyou Restaurant.
The restaurant use all halal ingredients in its Gyutan including the use of Halal beef. The Yamajyou restaurant is one of notable Gyutan restaurant here in Sendai. So please make a visit and try their signature GYUTAN.
For Muslim customer, you dont need to request or make inquary by phone. Just come to the restaurant and enjoy halal beef tounge
Here is the web of the restaurant
http://www.yamajo.jp/
and below is the link to the restaurant
https://goo.gl/maps/fSZhat5fQXm