Global Superpowers: I Can Choose the Monster Faction

After transmigrating to another world, Xiao Ran's family suffers a tragedy. He protects his younger sister for three years, then fortune smiles on him and he gains a hidden Faction System. He can become either a mutated beast or a human. Xiao Ran begins switching back and forth between the two factions: as a monster, he frantically levels up and makes things easier to upgrade in human mode; in human mode, he searches for clues to help his monster form. With this ability, he grows stronger step by step, eventually killing his enemy with his own hands and reclaiming the supernatural power that belongs to his sister…