If You Can't Marry Your Old Friend, Marry Your Old Friend's Daughter

No Wonder He Looks Like an Old Friend, He Turns Out to Be His Son

Is there such a thing as an old friend? It turns out that he is the son of an old friend, and then this old friend's son is the heroine, preferably a group of people who practice immortality and fantasy, even better. Then the heroine used the same moves as his father or mother, and was recognized.