Kohei Sugihara, a college student with hearing loss, and Taichi Sagawa, his ever-optimistic former classmate, met in a chance encounter that ignited an undeniable spark that would eventually blossom into love. Summer has at last arrived, but Kohei's job search is sapping all his free time. Taichi, now a working professional, is struggling with his role as a mentor to the office's new hire. And life only grows more complicated when Taichi receives a sudden phone call from his estranged father.