Miss Kobayashi and Tohru the Dragon Maid have become a couple. After four years, Tohru's dreams have been full filled. However, they've both discovered that simply becoming a couple hasn't changed them as much as they would have thought. Yet.

Fukanouji Mizuakari, one of the top ranking Shinobi and Samurai of the Akatsukinosora, wishes to recruit Gengaku of the Rain into the organization. But that won't happen without a fight...