Why Is Senior Brother so Fierce?

[Single female protagonist, no system, Eastern fantasy] Stably updated, large volume, safe to collect and read. The saintly woman of the Zixia sect looks dignified in front of her. Why does she treat me like this in private? What kind of saint? She is a witch! My childhood sweetheart is a different generation from me. This forbidden love is not allowed by the sect. What should I do? Sword Master Xie Cangxing killed an immortal with one sword, but this invincible first sword suddenly fell. The world is going to be in chaos.