I Have a Monster Transformation Manual

Gil, who accidentally traveled to the continent of Gaia, found himself involved in the whirlpool of conspiracy. The mysterious "Hidden Ones Association", the powerful "Church of the Dawn" and my own human-demon hybrid bloodline... An endless stream of enemies appeared in front of Jill one by one. Fortunately, there was a golden finger [Monster Transformation Manual] following Jill. The earth dog was transformed into the gatekeeper of purgatory, the white snake was transformed into the snake-haired Medusa, and the goat was transformed into the chaos blade demon... Let's see how Gil leads his monster army to dominate the world in the alien world of Gaia!