Kanna starts living with Tohru and Miss Kobayashi. While the livelier residence is nice, sharing a tiny apartment with three people becomes cramped. So Miss Kobayashi decides to move. She winds up inviting Takiya to her new apartment for a party, but Tohru also invites her dragon friends, Fafnir, who lives in a cave, and Lucoa, who's lived in this world since ancient times, to visit their new home.

Takiya and Miss Kobayashi are impressed by a beautiful array of code. Surprisingly, the one who wrote it was Elma. Miss Kobayashi is overjoyed that finally have more fully capable manpower. Then Elma hears that Miss Kobayashi is considered a "pillar" of the company who handles much more work than her, which causes her to suddenly get mad.