Letter Bee is a tV series anime that premiered in fall 2009, produced by Studio Signpost.

About the production: the story comes from a manga, there are 25 episodes of about 20 minutes and its current status is "finished".

Its main genres are adventure, fantasy and supernatural, with themes such as Guns, Male Protagonist, Writing and Shounen.

On AniList, Letter Bee has an average score of 72%, a good score, and appears on 22,723 users' lists.

The franchise continues in or follows from: Tegami Bachi REVERSE.

Gauche Suede is on his last delivery before a big promotion. In the outskirts of Yodaka, the darkest area of Amberground, Gauche is surprised to find that the package is a young boy named Lag Seeing. Lag had been traumatized by his mother's abduction and is due to be delivered to his aunt. In this remote area rife with Gaichuu, Lag and Gauche face a dangerous journey that inspires Lag to become a Letter Bee. (Source: Crunchyroll)

Official synopsis from AniList.