Mortals' aspirations to cultivate immortality

[Mortal Flow] [No System] [Single Female Protagonist] [Traditional Cultivation of Immortality] A fisherman boy named Lin Yi, in order to prevent his sister from being sold to the house to become a maid, he resolutely chose to join a village called Yaowang Valley. Jianghu sect. With his status, how can he gain a foothold in the sect? A mysterious skill and a magical ball pulled Lin Yi into a colorful world. With his mediocre qualifications, how can he survive in this world full of dangerous immortal cultivators...