College student Taichi Sagawa learns that his lonely classmate, Kohei Sugihara, is deaf, and he enrolls in a part-time job to take notes for him in exchange for food.

[7] After the story's end, Fumino continued with a third series, titled I Hear the Sunspot: Limit, from October 2016 to December 2019.

[25] Additional cast members included Ami Yamazaki, Miyū Ōsaka, Hiroe Igeta, Rima Matsuda, Yūki Fukumoto, Tsubasa Shimada, Hideyuki Araki, Anna Kijima, Suzuno Nomura, Norihisa Hiranuma, Shinshō Nakamura, and Reiko Takashima.

[3] It is directed by Fūga Yaegashi, Shō Makino, and Takanobu Harashima, with screenplay written by Izumi Kawasaki.

[3] Rebecca Silverman from Anime News Network reviewed I Hear the Sunspot favorably, praising its exploration of school stereotypes and Kohei and Taichi's relationship.

[28] The Journal of Anime and Manga Studies described Kohei as an example of how people with disabilities and queer identities are seen as outsiders in Japanese society.

[29] At San Diego Comic-Con in 2018, I Hear the Sunspot was selected as an "under-appreciated gem" at a panel composed of manga critics and industry insiders.