Ara Ara Kashiko

A fantasy tale that invites you to wonder.
Kyounosuke Miyama is fascinated by the novelist Shikou Takamura, and applies to become his apprentice, but is turned down. Instead, he becomes a live-in student, doing clerical and personal work for the teacher. One day, he is asked to copy a letter to the teacher for an essay, and he gets a glimpse of its mysterious contents...?!
(Source: Monthly Flowers, translated)