I Hear the Sunspot: Four Seasons Volume 1 (manga)

Kohei Sugihara, 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. Now it's spring and as Kohei nears graduation, his search for a job begins. Meanwhile, Taichi finds himself in charge of someone new at work. Life is busier than ever, but all in all, things seem to be looking up for the pair. That is, until the sudden appearance of Ena, one of Kohei's old flames.