Li Huanying was chased and bitten by a rabid dog as a child. Ever since, she has hated even the sight of dogs.
Later, through a twist of fate, that dog ended up living in her home. Perhaps it knew who its master was now, because it submitted to her and tried to please her.
Li Huanying picked up a brick and said without an ounce of politeness, "Get lost."
Pseudo-siblings [the male and female leads have no blood or familial relationship at any point; see the story for details]
A world-weary, sharp-tongued heroine x a scheming, unhinged hero
Theme: After all, life is a carefree ramble.