Reincarnated Slug: the Contract with the Saint Was Broken Off at the Beginning

[Swallowing + Invincibility + Beast Control + Cool Articles] The reincarnated slug was picked up and brought home by the saint who broke off the engagement. She is the trash in everyone's eyes, and I am the scum among monsters. Everyone said we were a perfect match. Until I swallowed the magical core of the divine beast and split into billions of incarnations. Those who laughed at her had their clothes soaked with my mucus. The one who humiliated her was penetrated by my cock into his pants. When the prince of the empire led his army to attack the border, I transformed into a gigantic beast and looked down at all living beings: "Who gave you the courage to bully my saint?"