Tower of Tribulations

Twenty one years after the first Mass Dungeon break that would herald a new world filled with Hunters, Guilds, Gates and Monsters. An F-Rank Hunter whose only use is storing the rewards of others. Lauri finally finds a Guild that will accept him, until the Dungeon expedition goes awry and he must make a contract with a cat like entity. After escaping Lauri finds himself thrown headfirst into the world of S-Rankers and the mysterious appearance of the Tower of Tribulations.