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...