Season 1 of I Hear the Sunspot premiered on June 26, 2024.

Due to his hearing disability, Sugihara Kohei is often misunderstood and has trouble integrating into life on campus; as such, he keeps his distance. That all changes when he meets the outspoken and cheerful Sagawa Taichi. He comforts Kohei and assures him that his hearing loss is not his fault. Taichi's kind words cut through Kōhei 's usual defense mechanisms and open his heart. Now, they are more than friends and less than lovers. Even so, this relationship changes Kohei forever.