The Premium Box is a comprehensive anthology that includes the core titles of the Kangoku Senkan (Prison Battleship) universe. It primarily serves as a retrospective of the series' evolution from a dark revenge story into a cornerstone of the adult animation genre. Kangoku Senkan ~Hidou no Sennou Kaizou Koukai~
An animated adaptation of the second game (often provided as digital or disc-based extra content within the bundle). Kangoku Senkan Premium Box -Final- -Anime Lilith-