Comprehensive Comic Journey of All Heavens and Worlds

This is the story of a poor student in the advanced class of a system college, traveling around the world with a host who is gifted with superiority. The protagonist has the bloodline of three thousand demon gods, and accidentally possesses the Holy Good and Dark Evil Pearls, plus the protagonist's own Eternal Pearl, which is innately unparalleled, plus a girl with a system that seems to be useful but doesn't seem to be, and here I am in all the worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.