I Was Contracted By The Empress As An S Rank Familiar

Pan Liang transmigrated to a world of swords and magic and became a familiar. In this world, everyone could summon a familiar to sign a binding contract with when they turned into adults. Pan Liang activated the Lie-Flat System where every hour he slept was equivalent to ten years of cultivation. Before he realized it, he had advanced to become an S-rank familiar. One day, he was summoned by the Empress and signed a contract with her. As such, the story of an S-rank familiar leading an Empress to dominate the Land of Magic began.