Bind the Fishing System, the Cannon Fodder Elder Sister Has Soared

I, the social beast Lin Xiao, have transformed into the cannon-fodder elder sister in the novel about cultivating immortals. The original owner got involved and went crazy, and I was bound to the system of "getting stronger when you catch fish". When everyone was going crazy, I was sleeping, drinking tea, and watching the scenery, but my cultivation was soaring on a rocket——