As the famous Tokyo Sumida River fireworks festival approaches, the S●RH●K Room spa sees a sudden surge in customers. During this season, the salon runs a special campaign offering complimentary trial treatments to guests who arrive wearing yukata. Many visitors come to enjoy the festive atmosphere, filling the spa with women in traditional summer attire and creating a unique, alluring ambiance. Encouraged by the free vouchers and the lingering excitement of the festival, clients become captivated by the masseuses' skills. Shy yet receptive, they gradually open up to the intimate touch. This sensual dynamic unfolds vividly within the dreamlike atmosphere of a summer night.