Male version:
A beggar boy who had nothing, suddenly turned into a nobleman, and he also has a cute body that is fragile and easy to push down? Younger sister.
Money, my sister has it. My sister can practice elixirs. Martial arts, my sister picked it up casually.
In this cheating life, I'm afraid some old witch came from somewhere and fell in love with my boyhood.
Female version:
A noble girl who lost everything overnight is bent on revenge.
He picks up a cheap brother at random, protects him, and hopes that he will become a dragon and one day be able to take revenge and restore the family's honor.
The daily life of pseudo-brothers and sisters:
Really arrogant sister: Brother, beat him up!
Fake·Poisonous·Brother: I can't beat him, so go ahead.
True arrogant sister:? ? ?
Fake·venomous·brother: Come on, sister. My sister is the best.
True arrogant girl: What kind of terrible thing did I pick up? ? ?