Why are the Seven Villains of my Novels in my Living Room?!

A writer. A hopeless romantic. A loner. This words describes Han Xuexin the most. She had been alone most of her life as her mother died at the age of fourteen. It was at that age that she started to write her first novel, didn't expecting that writing will change her life. Years went by and the pen name 'Celestial Snow' finally became an establish author with seven books, generating enough income for her to live comortably and peacefully. However, something unexpected happened. 'Why are the villains of her novels suddenly in her living room?!' Han Xuexin's peaceful yet boring life started to turn around with those men around. One was an assassin who had no hesitation betraying his co-assassin. The secon one was a Doctor who could save someone but kill as well with those very same hands. The third one was a prince who had become a general and had won a lot of war. The fourth one was a mercenery group leader who likes to torture those who gets in his way. The fifth one was a business man who was the richest in their continent. The sixth one was a red haired haughty prince who thinks everything revolves around him. The seventh one was a royal advisor who was the most normal out of them all if it wasn't his silver hair. No one among these seven people are normal. One wrong move and Han Xuexin might be meeting her ancestor the next second. How was she supposed to live with them?!