"Why does Kanon have to overcome the wall!? The wall should be the one to crumble!" Kanon, who is hard of hearing, and Saki, who is drawn to her. Like the moon on a rainy night, the bond between the two girls is invisible yet undeniably real. Set to be published worldwide! Kanon learns from her advisor, Miura, that everyone in the literature club is required to create a literary work during summer vacation. She decides to write about her experiences of losing her hearing and her encounters with Saki. Meanwhile, Saki, who has been chosen to accompany the class choir for the cultural festival after summer break, comes into contact with Kanon's heartfelt confessions about the emotional struggles she faced due to her hearing impairment, which had led to criticism in the past. Saki boldly declares that the walls Kanon has had to overcome should be the ones to crumble.