The Ascent of the Bonded Spirits

This world is a world of monsters, with countless 'Bonded Spirits' of various forms.But in this world, humans also hold the power of 'Professions'. Once awakened, they gain a contract mark and can enter into contracts with monsters, forming new bonds.【For example】? F-rank profession 'Nail Artist', helps Bonded Spirits trim their claws, making them beautiful or sharp.? E-rank profession 'Hunter', marks and pursues, closely coordinating with Bonded Spirits, the most classic hunting profession.? C-rank profession 'Puppeteer', controls Bonded Spirits at critical moments, exerting force more precisely, with greater power.? B-rank profession 'Midwife', helps pregnant Bonded Spirits with checkups, and bestows random blessings on newborns.? B-rank profession 'Mechanic', under the right conditions, modifies Bonded Spirits, turning them into semi-mechanical beings.? A-rank profession 'Dragon Knight', rides Dragon-type Bonded Spirits in combat, man and dragon united, invincible under heaven.? S-rank profession 'Archmage', enhances the elemental attributes of contracted Bonded Spirits, and seals skills in advance to complete a second forbidden spell....? C-rank profession 'Fitness Trainer'...? D-rank profession 'Fire Thief'...? A-rank profession 'Mysterious Merchant'...? B-rank profession 'Gourmet'...? Special profession 'Hero'......(Completed work of 3 million words 'Master of Pet Beasts', 'The Ascent of the Bonded Spirits' is my second work, the Pet Beast genre, with a completely new original setting, welcome to read!)