Living in complete isolation due to his hearing impairment, Kouhei Sugihara's life takes a meaningful turn when the vivacious and garrulous Taichi Sagawa enters his life. He discovers that in the same way that the sun radiates its warmth and light, Taichi's voice is filled with the same vigor and life. Despite being misunderstood by others, Taichi is surprised when Kouhei recognizes his pure-heartedness. In turn, Taichi's heroism inspires Kouhei to demand more for himself and he is catapulted into the vibrant world he had been yearning for. Thanks to Taichi, Kouhei finds a group of individuals who are patient enough to listen, despite the need for repetition. Even though they inhabit two vastly different worlds, Taichi and Kouhei's bond reaches beyond boundaries and transcends the norms of an ordinary friendship.
Hidamari ga Kikoeru is a touching tale that explores loneliness, self-worth, and the unifying experiences that connect us all as human beings.