Seichoutsuu

Subaru Kashino attends a sports training camp at a rural high school and encounters Kei Natsume, who is part of the library committee. He becomes curious about Natsume, who spends time in the library. Later, Subaru experiences a dream involving Natsume. As Subaru prepares to leave for Tokyo, Natsume proposes they communicate through letters rather than phone calls. Though puzzled, Subaru agrees to write to him.