What appears before Rhinos and his companions as they attempt to return to the surface is... Shuro, a former companion who loves Parin! Is this former companion an enemy or an ally? Will they eat monster food together?! Also, a Shapesister appears among Rhinos and his companions... Will Rhinos be able to distinguish the fakes and find the real companions?!

The strongest ninja corps led by Shuro, Tade, Maizuru, Benichidori, Hien, and Asebi, appears!! Meeting them will bring about a new storm!