Tegamibachi: Hikari to Ao no Gensou Yawa
English title: Letter Bee: Light and Blue Night Fantasy
Japanese title: テガミバチ 光と青の幻想夜話
Type: Special
Episodes: 1
Source: Manga
Genres: Adventure, Fantasy
Studios: Pierrot
Duration: 27 min
Rating: PG-13 - Teens 13 or older

The story takes place in the land of Amber Ground, a place of perpetual night only partially illuminated by an artificial sun. Lag Seeing works as a "Letter Bee" (delivery boy) at the "Bee Hive" (a delivery service), with his Dingo, Niche, and her "pet," Steak, traveling with him. He is entrusted with the "hearts" of the everyone in Amber Ground to deliver their packages.

(Source: Wikipedia)