In a world where letters carry the heart, every delivery is an adventure.
In the Amberground, where the sun never sets and dangerous creatures called Gaichuu roam the wilderness, letter carriers known as Letter Bees risk their lives to deliver messages between isolated towns. Young Lag Seeing dreams of becoming a Letter Bee after being rescued and inspired by one as a child, eventually setting out to deliver letters while uncovering the mysteries surrounding his own past. With its beautiful steampunk-inspired world, heartfelt stories, and bittersweet themes, Tegami Bachi is an adventure about connection, memories, and the emotions people leave behind in their letters.