This book cafe opened at the end of October 2023 along the Urahoro shopping street. Trinome" in the store name means "bird's eye. The name was chosen with the hope that it would be a time to broaden one's perspective in one's busy daily life. The building, a 50-year-old former hardware store, was renovated, and many parts were done as DIY by the owners.

Inside the store, there is a "bookstore" selling used books, new books, and miscellaneous goods, a "uni" selling food and miscellaneous goods made from healthy ingredients, a "cafe" serving light meals and Trinome Shoten's original coffee blends, and a "brewery" selling RIKKA, a Hokkaido organic craft beer brand scheduled to start around summer 2024. Brewery" of RIKKA, a Hokkaido organic craft beer brand scheduled to start in the summer of 2024.