Cultivation of Immortality Begins with Taking Care of Your Sister-In-Law

[Invincible, multiple heroines, cultivating immortals, rebirth] Traveling through the world of immortals, Chen Mo became a scholar. His eldest brother was obsessed with seeking immortality. On the road of seeking immortality, he never came back. In the end, he just came back with a last word: take good care of your sister-in-law. However, in the world of fairy tales, demons are rampant. As a scholar, how can he take care of his sister-in-law? Chen Mo decided to pick up his elder brother's sword and follow his path to kill monsters and monsters with one sword!