Tegami Bachi: Letter Bee
Overview
One day, a trio calling themselves the "Letter Pigeons" barge into the Bee-Hive and challenge the Bees to a race, in order to make a name for themselves and start a letter delivery service besides the Letter Bees. Master Largo thinks it sounds like fun so Lag, Zazie, and Connor take on the Letter Pigeons in a fierce delivery battle!