Kazuma's party is suddenly alerted by an outrageous letter delivered by Yunyun. The letter requested that they come to the Crimson Demon Clan's village, that is facing a threat that could mean it's ending.

Kazuma's party is suddenly alerted by an outrageous letter delivered by Yunyun. The letter requested that they come to the Crimson Demon Clan's village. The bunch head on over and make use of their time there, but trouble arises when an enemy general arrives!