Calendar no Uragawa

A young man discovers a mysterious calendar that allows him to see the reverse side of any given date, revealing hidden events and secrets from the past. As he explores these hidden moments, he uncovers personal and historical truths that challenge his understanding of time and reality. The story focuses on his journey as he navigates the implications of this unusual ability, encountering both wonder and danger. The narrative unfolds through his experiences and the consequences of peering into the unseen layers of everyday life.