Mikan and Nekoyashiki return to Mikan's family, and their extended absence causes Itsuki to inquire as to their status. Suzuka Katsuragi, the head of the family and Mikan's grandmother, refuses to return Mikan to Astral, and reveals that Nekoyashiki has been missing. Itsuki and Honami travel to the Katsuragi estate, where Suzuka offers to consider returning Mikan if Astral eliminates an oni on the mountain...