Krypton Life Cultivation, What's Wrong with Upgrading Quickly?

Qi Lin, a fifteen-year-old boy, accidentally traveled to another world to cultivate immortality. He relied on the Krypton Life Cultivation System to practice all the way until he set foot on the star journey, looking for his mother planet Earth hidden in the vast sea of ​​​​stars. He did not seek immortality, just to take a look at his relatives on Earth.