Root Letter is a mystical adventure in the form of a visual novel, in the Japanese style. The game will tell the story of a young girl who will search for her missing pen pal, Aya Fumino. The main character regularly corresponded with her during her school years, but after graduating from school she never received the cherished news. “I killed someone. I must repent of my sins. I say goodbye to you. Goodbye". — says a letter found by a girl 15 years later, which, it would seem, she never received. In order to understand this story, our heroine goes to Simane in order to put together all the pieces of her past.