Ep. 20: Lag and Niche assist Zazie in retrieving lost letters from a Gaichuu in the Hart Desert.

Lag and Niche return to the Bee Hive, where Zazie recovers from injuries caused by a Gaichuu attack. Aria questions Zazie about the lost letters, emphasizing the Bee's duty to deliver them. Zazie admits he took a dangerous route through the Hart Desert instead of a safer path. Lag volunteers to find the letters and tracks them to a Gaichuu Absynt, where they are tied to its horn. Lag’s attacks fail as the creature dispels them through an opening in its body. Steak retrieves the letters, but the group is endangered. Zazie arrives to fight but shows no concern for the delivery. Lag’s assault triggers flashbacks, revealing the Bee previously lost the letters while unable to defeat the creature with his shindan. The trio cooperates to destroy the Gaichuu. Lag offers to deliver the letters, but Zazie insists on fulfilling his original responsibility, explaining he withheld his inability to defeat the beast from Aria to handle it alone.

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