The day after returning to Kagawa from Tokyo, Sumika heads out with Kohei to the Shihoyama Wind Cave—a hidden local spot that even many residents have never heard of.
Beyond the hot summer trail lies a moss-covered stone chamber filled with quiet, fifteen-degree air. To make the invisible breeze audible, Sumika holds up a small glass wind chime. In the stillness of the forest, it rings only once.
They only came to cool down.
Yet somehow, her heart remains warm.
A small summer adventure shared by two childhood friends—cool on the outside, quietly heating up within.