Ep. 4: Eiji dan Toga menyelidiki hantu di Menara Selatan, menemukan Leele, pilot G-Shadow.

Eina and the other maids see a ghostly figure in the tower late at night. Early the next day Eiji is training in a pinball-based simulator to test his resistance to centrifugal forces. Eina reports the ghost to Sandman and Luna. Eiji conjectures the ghost is actually Ayaka lost in the castle and goes to hunt for her. Eiji and Toga see the ghost and she passes through a mirror, they find they can follow, into the South Tower. Toga states that each tower has a secret, and they are banned from entering by Sandman. They catch up with the ghost and it turns out to be a girl called Leele. Sandman turns up at Leele's quarters, and she hides Eiji and Toga in the closet. Eiji overhears Sandman saying that Leele is the pilot of the G-Shadow. Sandman gets a message saying a Zeravire is on its way and its time to dispatch the Gravion. The navy of the world government attempts to attack the Zeravire to no avail. Gravion attacks the Zeravire to no effect, as it has evolved again. Due to damage to the left arm of Gravion, Eina must do the Graviton Pressure Punch maneuver, however it fails. The Graviton Sword is used, but is blocked by the Zeravire. Leele suggests using the Gravity Crescent, part of the G-Shadow to attack. This destroys the Zeravire. Sandman formally introduces Leele to the other pilots, however she runs away when they try and talk to her. (Source: Wikipedia)

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