The cheers of his childhood friend, Nanako, help Wataru through a game of rugby. But when Nanako and Hayato seem to be getting closer, he's left in anguish. Then Cat Mu appears and Red King is struck by Dark Thunder Energy, causing a panic in the city!

People are being attacked late at night by Space Beasts. In order to deal with the packs of roving rampaging creatures, Lieutenant Tachibana personally leads a special team into the field.