Chapter 4

This is the fourth chapter of I Hear the Sunspot Manga.

Plot
While discussing their plans for summer vacation and Taichi Sagawa's new job, Kōhei Sugihara suddenly hears a weird ringing and collapses. It turns out that Kōhei hearing is getting worse. The doctor suggests a cochlear implant, a surgically implanted electronic device implanted in the cochlea to improve hearing.

One month later, Taichi and Kohei seek refuge under a bridge from the rain. Kōhei confronts Taichi on why he didn't tell him about Miho. He demands that Taichi to introduce them but Taichi doesn't want to. Days later, Kōhei sends Taichi an email saying that he'll find someone else to take notes and apologizes.