日本忍者協議会初監修 「忍者ルーム」がホテル『MIMARU東京 上野御徒町』に登場

At the urban apartment hotel "MIMARU Tokyo Ueno Okachimachi" The Ninja Room, the first supervision of the Japan Ninja Council, has been created at the hotel.
In the room, not only the display of several kinds of shurikens, but also ninja nishiki-e and scrolls are displayed.
This room can be enjoyed not only by overseas people but also by domestic people who like ninjas.

https://mimaruhotels.com/ja-jp/ueno-okachimachi/