The fear and insecurity of his last two defeats against Specter have made Takeru unable to become visible. An uneasy Akari begins to fear that Takeru will no longer be visible to her, even with the Shiranui powder. A new client seeks the help of the Mysterious Phenomena Researchers. Sound has disappeared around Kosuke Kimijima, a young prodigy composer. It is like Beethoven... Takeru, Akari and Onari pay a visit. While unable to hear, Kimijima starts composing non-stop and Takeru is unable to warn him that he is in danger. A new Gamma appears and Takeru transforms into Ghost. However, Specter appears again to get in his way.

Takeru and Alain have returned to the Gamma World. The former returns to save Makoto while the latter is set on finding answers. Takeru, under the impression that they both had the same objective in mind, loses sight of Alain. What are his true intentions? Meanwhile, Akari, Onari, and Kanon can’t do anything but wait. Akari continues trying to break the code of the Monolith while Onari teaches Cubi more about humans. Igor, on his side, continues with his plan. Adel has witnessed the birth of a new threat from the Praying Room...

After witnessing the murder of his father Adonis by his older brother Adel, Alain is unable to move and cannot overcome the situation and feelings it caused. Makoto has obtained a mysterious new Eyecon and goes in search of Takeru, who did not return after his encounter with the Gammaizers.

In the human world, Cubi is in a slump. While trying to clear his head, he is confronted by the Onpu Gamma. Akari, Onari, and even Igor are added into the mix. Will Onari and Akari be able to overcome this pinch?