Sword Immortal Back to School(Dubbed)

Sinopsis

Sword Immortal Xu Yiwen returns to find 50 years gone, his sons gray-haired and his wife Wen Wan long dead. Posing as a college student, he discovers that Xu Shiran is Wen Wan reincarnated. After slaying the villain Kumu, a shattered soul jade merges Wen Wan into Xu Shiran, reuniting the family.