Lupin and Jigen planed to steal enormous money from a racetrack in New York. Their plan is perfect and the only thing remains is to wait for 6 days. To celebrate the success beforehand, they go to a town. 

Lupin parts from Jigen because he recalls another engagement. Then, Lupin saves a girl, Michelle, being chased by suspicious men. She asks Lupin to steal a diamond from her father in order to stop him from doing evil things. Lupin thinks he can get both money and a diamond 6 days later, and he accepts her request to guard her for 6 days. 

Meanwhile, Jigen meets his old fellow soldier, Ryatte, and they’re talking about another business. Then, Jigen is supposed to spends 6 days with Ryatte before the plan with Lupin. On the other hand, Fujiko and Goemon are planning to steal a diamond at a diamond exhibits. The host of the exhibition is… 

(Source: AniDB)

The story takes place on the planet Maris in the year 2387. Around this time, the Nozas started to genocidally kill all humans in order to lay eggs and reproduce on the planet. Three mysterious guns dubbed the "Zillion Weapon System" appear and three teens (JJ, Champ, and Apple) are chosen to wield them as the White Knights in order to fight back against the Nozas. (Source: Wikipedia)

Goro Kumagaya is an established, tall middle-school goalkeeper who wanted to enter Yokonan high-school that is considered to be among the elites in terms of its football club, only to fail and end up in the lowly-ranked school opposite to Yokonan because of an accident. However, he met Shingo, Hideki and Kazuhito Oda who are all skillful footballers there and together in the Kawasaki High School football club, they challenge Yokonan and any other schools that they have to face in order to improve and become the champions. Any setbacks that they face would instead be an opportunity for a better improvement; one of which was the discovery of Goro's natural talent as an ace striker.

Like every card game enthusiast, Hajime Hinobori has always wanted to see the Spirits from his cards come to life and witness them in real combat. This dream is successfully realized by Hajime's scientist parents, who develop an augmented reality system that revolutionizes the competitive scene of Battle Spirits. Curious players from across the globe travel to partake in this innovative battle system. With his sight set on becoming the champion of this new form of Battle Spirits, Hajime encounters many colorful and quirky rivals, including eccentric diva Kimari Tatsumi and arrogant prodigy Tegamaru Tanashi. Along this journey of self-discovery and card-gaming shenanigans, there are no ordinary days in the lives of young heroes striving to take the crown! [Written by MAL Rewrite]