Where Did the Immortal Maiden Come From? (Cultivation)

Plucking a zither by the vast sea, gazing at the bright moon; parting clouds and mist to roam mountains and rivers. With sword in hand and fearless spirit, sweeping away demons and foes; the east wind carries ancient tales into the present. Two hundred years ago, the Starwatcher Supreme of the Ten Isles within the seas fell. Two hundred years later, the Guiyuan Sect gained a new guest elder: the current Starwatcher Supreme. Oh, and he brought a daughter with him. Please note: 1. A strange xianxia story with cultivation, high-martial-arts elements, and all sorts of other things. 2. A fake level-up story about an amnesiac heroine gradually reclaiming her former self. 3. It's a romance, and there's a male lead, but who he is remains unknown. 4. Literary title: Bright Moon Over the Vast Sea