Zero Degree Space

I think, therefore I: Another world is a fantasy, because the world I live in is real; Different people, different worlds, same idea; The real world, the illusion of false reality, cannot be verified; So if you confirm it and know it personally, is it possible to know the truth? A call from another world, let you experience it yourself! Brave? Demon King? Game? Or... Real? Or is this all just Zhuang Zhou's dream? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.