The Black Dragon of the Mirrors (Male Ryuga Reader x Crossover)
Y/n L/n was a Boy who has been abused and neglected by his family. He then decide to run away and never look back he then found a strange deck of cards and it contained a black dragon. It's name was DragBlacker the two of them shared a bond and when Y/n learned about the mirror world and about some of the riders abusi...