English version title - SavageMan Returns
Everyone visits the new Sea Tower, a shopping mall that floats in the sea! Netto runs into old friend Tamako, who challenges him to another net-battle with Metalman! However, this time, Beastman interrupts, who has now become a dark chip addict. With his extreme new power, and the help of Yuriko, they begin to sink the Sea Tower and get rid of Netto and Rockman... for good!
