CLUSTER EDGE: Secret Episode

Three specials released with DVD volume 9 of the TV series.
Episode 1: The Day of Gathering
Past event about Chalce and Chrome's group, of how the three youngest members came to join them.
Episode 2: White Footmarks
Past event about Chalce transfer into Cluster E.A, his meeting with Hema and how he elicted the hatred from the competitive Vesuvia.
Episode 3: Wings of Freedom
A strange girl appears in Cluster E A, looking for Fon. Is she there for a visit or something else? Will she find her answer amongst Fon and his friends?
(Source: Wikipedia)