I Was Confessed at the Beginning and the System Tied Me by Mistake

The world merges and ferocious beasts invade. Summoners who summon contracted spirits to fight have also appeared in humans. In this contracted spirit battle, the summoner is a wretched world. There are some outliers. The moment the contract spirit was defeated was the time for them to take action. Tear apart ferocious beasts with your hands, break mountains and rivers with your fists, and kick the beast gods with your feet. … Everything must start from before the world merges. The moment when the protagonist Dong Qingyin obtains the infinite strengthening system. The journey of tearing apart ferocious beasts begins!