Magical World: You Promised to Use Magic, but You Cultivate Immortality?

Blue Star is a world full of war. Hundreds of years ago, monsters from another world came here. Humanity has high technology and is still being defeated. Fortunately, magic also appeared in this world. Humans and monsters are in conflict, and the human race's living space is gradually being squeezed and narrowed. "This life is really tiring. I hope that if there is an afterlife, it will be easier." After the battle between gods and demons, Gu Chen, a great cultivator of immortality, was reborn into this world with only magic. "I'm tired. Now I just want to be a quiet homebody." ... "I have no money to go online!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.