I Rely on Modern Thinking to Navigate the Worlds of Immortals and Demons

Su Chen, the top scorer in the college entrance examination in Hangzhou, suddenly suffered from a special progeria syndrome and sought medical treatment to no avail. In order to return to his previous normal life, he made a deal with the Immortal Lord residing in his body. From then on, he entered the world of immortals and demons and embarked on the legendary road of becoming a hero in the world of immortals and demons. [No system, single female protagonist]