Super Evolution Sequence

You felt very comfortable with the evening breeze, so you spent 50 cents to buy a popsicle with the ice fairy on the street. You had just licked it twice when you saw the popsicle in your hand melting with a puff of flame. You are a little confused. You search for the culprit. You found a flame rat with a greenish coat. You are lost in thought. You chuckled and prepared to argue with the bad guy, but accidentally bumped into the belly of the upright bear. You enjoy a super warm hug and can't take it anymore. After you finally managed to catch your breath, you heard the voice of a certain old man: "Young man, I see that you have amazing bones and are a unique beast-bending genius! I have an ultra-rare and powerful tactical card - 'Light of the Oath'. Seeing that I am destined to you, I sold it to you for ten yuan!" … This is a world where humans and fantasy beasts coexist, and the special profession of "Beast Contractor" was born. Becoming a "Beast Contractor" is the dream of many people in this world, and this story begins with a young man from Baiyun City...