The Elementals learn that the beast they fought is a Shadow Angel from mythic space. Their role is to fuse the Vector Machines into Aquarion and fight those enemies back. Sakko recalls playing with Sayo, Momohime, and a certain robot in an Enoshima cave.

After piloting Aquarion together, Momohime and Rimiya sense a special connection to each other. They go on a date to try to understand their feelings.