How Could My Archenemy Be My Perfect Match?

They're the modern-day Romeo and Juliet. The feud between their families can be traced back to the Tang dynasty, and in every dynasty the two families have ended up in court. They should have wanted nothing to do with each other for the rest of their lives, but their similar choices in life keep bringing them together.

From the moment Wen Yu could remember, her family had told her the Xies across the street were bad people and she must stay away. She asked what was bad about them. Her grandfather said, "You don't need to worry about that. Just know that they're bad." So from childhood, she knew her greatest enemy lived right across the street. Then one day, an adorable little boy appeared from the house opposite. Wen Yu had planned to put aside their differences and make friends, but the boy gave her the first major blow of her life. That was when she became certain that his family really was rotten to the core. But can someone tell her how one drunken night could lead to such a catastrophic disaster?