There Is No Lifespan at the Start

Chi Qiuhe, who accidentally traveled to this world, worked as a teacher for three years and became aware of the rumored immortal test, so he also wanted to become an immortal. But he was just a useless person before. If he changed his life, how could he become an immortal without changing his soul? But later I discovered that I had once ascended to immortality, but my lifespan was gone. Now I have to quickly find an apprentice and open many buildings to extend my life!