Letter Bee

Lag Seeing works as a Letter Bee, a postman entrusted to deliver the hearts of people separated from the ones they love.

In Amberground, a dangerous terrain of perpetual twilight, young Lag Seeing works as a Letter Bee, a postman entrusted to deliver the hearts of people separated from the ones they love while avoiding Amberground's deadliest hazard — a species of giant armored insect who attempt to feed off the "heart" that reside within these letters and packages.