At the Beginning, My Sister Is Critically Ill, and I Travel to Another World to Rescue Her.

The terminally ill sister is in danger, but the jade pendant passed down from her family accidentally opens the passage between Blue Star and Canglan Realm! Lin Yuan shuttled back and forth between the two realms, from bringing back the styptic grass to save his sister, to getting involved in the dispute between the two realms. On one side, Zhao Tianyang is pressing forward step by step, on the other side, Nangong Lie is secretly scheming, and there are demon seeds raging and monster beasts rioting. See how he stirs up troubles in both worlds, breaks the shackles of fate, saves both worlds from danger, and opens a new era of integration of cultivation and technology.