Lag's rescuer, who first appears in chapter 1. He is the letter bee that finds young Lag Seeing marked as a letter in "Coza Bel", a small town in the "Yodaka District" (The low class district in Amberground). He has to deliver to "Cambel Litus" a town also on the "Yodaka District" so he can join his aunt which was trusted to take care of him from the person who wrote Lag's letter data. Gauche is also a a caring and enthusiastic letter bee, he is trying to become the "Head Bee" (Captain of the letter bees) so he has enough money to help his sister and live peacefully.

(Source: Wikipedia)