Global Summoning Beast Summoner

Traveling to a new world, there are a large number of time and space cracks in this new world, and tens of thousands of alien beasts continue to appear. Ancient humans obtained the power of the alien beast summoner from the time and space cracks and opened a new era of alien beast summoners! I don't know if I can enter SSS level time and space with my current strength! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.