Join the Isomaru Suisan x Takara Shuzo App Exclusive for Free Premium Sour Drinks! Starting March 1, 2026, Isomaru Suisan offers a limited-time app-exclusive campaign where diners can enjoy a free Premium Sour drink!

Join the Isomaru Suisan x Takara Shuzo App Exclusive for Free Premium Sour Drinks! #Japan #Setagaya #Isomaru_Suisan #Takara_Shuzo #Premium_Sour