My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge!

God created nine races in the ancient times. Humans were the weakest, most ridiculed race among them. Light, a human boy, was fortunate enough to be invited to join a party of all nine races called the "Assembly of the Races." He was happy being a member for a while, but that was a short dream.