I Can Summon Witch Companions

The world merges and disasters occur frequently. Underneath the seemingly prosperous and stable urban area, there is actually a darkness unknown to the world. Native barbarians from another world, alienated blood-crazed monsters, colonial warriors trying to ascend mechanically... This world is too dangerous! Fortunately, Zhang Yang unexpectedly gained the ability to summon witch companions. Pride, ‌envy, ‌wrath, ‌sloth, ‌greed, ‌lust, ‌gluttony. Every time he summons a witch companion, he can get an accompanying [Original Sin] talent! … Many years later, Zhang Yang and his witch companions have unknowingly become the most terrifying taboo in the entire world's urban areas! When the gods from other worlds passed all the way and reached the bottom of the urban area, they were faced with the young man on the throne who smiled at him: "Welcome to the real world of Blue Star."