Robert is a hardworking employee at a roadside cafe who, coincidentally, possesses X-Playing Card. Due to being wrongfully implicated in a scheme, he finds himself in a desperate financial situation burdened by substantial debt.

He was recruited by a group of thieves and utilizing the power of his cards to execute daring heists.

"Former" X-Playing Cards: ♥3 < Rockin' Rock >

(Source : Anime)