Looking Back in Time, My Daughter and I Go Back a Hundred Years Ago?

On April Fool's Day, the school beauty "Xu Mengru" invited me to a grove. I thought it was a beautiful encounter. Until... "You said that a hundred years later, when aliens invaded and I died in that battle, my identity is your father?" "Yes." … Many years later. Chen An couldn't help but said: "Call daddy." Xu Mengru suddenly understood and said coldly: "Did you already know that dad called you at this time?"