Kohei Sugihara, a college student with hearing loss, and Taichi Sagawa, his relentlessly optimistic former classmate, first crossed paths in a chance meeting that sparked an unmistakable connection, eventually deepening into love. Now spring has come, and as Kohei nears graduation, he begins hunting for a job. Meanwhile, Taichi is put in charge of a new person at his workplace. Life is more hectic than ever, but on the whole, things seem to be improving for the couple. That is, until Ena, one of Kohei's former flames, suddenly appears.