Captain Tatsumi is missing?! Mysterious clues are found left in the Nursedessei... and there is a suspicious shadow. It smells like a mystery - so thinks Marluru, while the crew is left baffled. Maruluru shows off his detective skills! "In the name of Alien Metron"!!

To defeat the powerful Absolute Diavolo, Kengo learns how to master Glitter Trigger's power from Ribut. Elsewhere, Akito and the members of GUTS-Select do all they can to release Nursedessei's true power. While the crew is busy, Kengo receives special training… But why is he dancing?