It all begins with the story that was left untold—the earth-shattering incident where Renton's father disappeared. With the mysterious pilot Eureka by his side, only Adroc Thurston could undo his own mistake, sparking the event that changed everything and earned him the title of a hero. Now, ten years later, Eureka lies in critical condition as Renton leaves the crew of the Gekko. But when he finds himself in the care of his father's old friends, he has a choice to make. Either stay with the loving family he's always wanted, or earn the love he seeks.

Taba and the Girls of Kagura Total Security Inc. are at it again. This time they have to battle a Gang of Phantom Cats and a mysterious enemy and assassin. And there are the run ins with the Government, the need for a new office, as well as sorting out the past to deal with. Luckily, they've got a stock pile of weapons and super technology to help.

A great war occurred in the 20th century between humans and monsters. Since that time, the monsters rule the world in fear but keep relatively hidden from public view. A boy named Bokka ponders the past and wonders what became of the Meros Warriors who defended the world so bravely against the demons. He soon meets Kurofune and learns of the power of the Meros and the I-bar machines they ride in battle. Warriors are the only ones who can see and hear the Melody of Oblivion, a phantom girl hidden away waiting to be rescued and be the savior of mankind. During a battle between Kurofune and a demon, Bokka discovers something only his wildest dreams could possibly imagine...he too can hear that melody. Throughout his journeys, Bokka meets many monsters and their agents, friends, and companions as he discovers the true extent of his new powers. He must continue to battle evil in the hope of releasing Boukyaku no Senritsu and free a world that has forgotten its once beautiful melody.

Valt Aoi is a hot-blooded kid who loves to attack and wields a Beyblade named Valkyrie. His close friend Shuu Kurenai is an elite Blader who is a genius but still puts in a lot of effort, and wields the Beyblade named Spriggan. (Source: ANN)