Enslaved to the Yakuza

You are Michi Ito, an everyday girl who has been working hard to escape poverty for a better life. But when your father flees an unpayable debt owed to the White Dragon yakuza, you find yourself in service to the infamous leader, the Blue-Eyes White Dragon himself, Seto Kaiba. Will you manage to escape his clutches? Yugioh AU where Domino City is overrun with crime and chaos.