Yes. They are duology. Liberation – Shogo lives in Japan and work 5 days a week with a job he dislikes. When he is about to be suffocated by loneliness and Japanese unfriendly atmosphere, his Mexican friends ask him for coming to Mexico to live in their houses for a while to write a book, which changes his life forever. Mexican Rhapsody – Shogo has finally started what he always dreamt of: writing a book. He regrets how many years he has frittered his time away for nothing. He determines that he never fritters his precious time away: he begins enjoying his life to the fullest and living each day as if it were his last day on this delightful earth.