Fantasy: from Orange Cat to Sky-Swallowing Monster

Traveling through the fantasy world, I turned into an orange cat! How should I survive in this world filled with monsters? Fortunately, the system is bound to open the path to the strongest evolution. Orange cat, thunder-patterned leopard, purple-eyed cloud-winged tiger, unicorn, ancestral holy dragon... When I evolve to the tenth level, I can become the most powerful monster in the world - the sky-swallowing monster! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.