While visiting a store in Landosol, Yuuki and Kokkoro encounter Aoi wearing an unfamiliar uniform. It turns out that Aoi is a new student at the prestigious St. Theresa's Academy for Girls, but is worried she won't be able to fit in. Thus Yuuki and Kokkoro head to the school with her as moral support.

The Shadows on Monster Isle form a swarm with the golems and launch an attack on the islanders. Meanwhile Pecorine suddenly disappears from sight. While the Caon members, along with Yuuki and the others, are putting up a desperate fight to protect the island, Kasumi comes up with a secret plan to stop the Shadows' progress.

On their way back from farming rice, Yuuki and company find a girl lying on the roadside, who turns out to be Chika, a member of Carmina. As they tend to her, they call over her fellow guild member Nozomi for help. But when Chika finally wakes up, she seems to be acting rather odd...

When an injured Miyako and Shinobu show up at the Gourmet Guild, Pecorine and company are shocked to learn that Diabolos has been attacked, and its members have been kidnapped. As Shinobu explains that the assailant was someone they never would have expected, there is a loud rumbling that shakes all of Landosol...