The second season of KochinPa!

After the war, Fuusuke, Aicho and Touji head to a port town searching for Makoto, the younger sister of an old friend who died in combat and left his knife for her as an inheritance. But when they arrive, they discover that the citizens are being attacked by pirates! Now, the three Ninku must help Makoto defeat Rasen Ryuu and his crew.

The anime centers around a boy named Kouta Kouka (Kouka Kouta in Japanese name order, an apparent wordplay on Coca-Cola). Kouta strives to be the world's best Bottle King at the Bottle Battles in the virtual Drink World. He comes across his Bottleman partner Colamaru and then wages battles with various rivals. (Source: ANN)

One day, the Mobile Rescue Police is attacked by the mysterious boy, Terra. His identity was an android the Evil AI was operating. Because of Terra's powerful energy, Gou and the others are unable to drive the Drive Heads. Furthermore, the earth is in a big pinch when Terra becomes giant and swallows up his surroundings. In this unprecedented emergency situation, Team Drive Head must once again launch. Will Gou and the others be able to protect what's important? (Source: Tomica Wiki)