Yojouhan Shinwa Taikei / The Tatami Galaxy
—Sezonul 1 Episodul 8—

Another one of the three clubs the main character joined in the previous episodes was the Reading Circle Sea, where the protagonist finds him self in a silent, solitude club full of reading. Ozu lends him a young adult novel to read for his club. Inside the cover of the novel the protagonist finds a name and an address of the author, Keiko, to who he begins to correspond with.