The Precious Sister of The Villainous Grand Duke

Reborn as a sister of a villain with no blood or tears in a war-fiction novel.Anyway, that guy, who plays ‘my brother’ role, is a villain who will be sealed by the Main Lead after losing the war. So I just need to pretend to be his little sister until he disappears.No, at least that’s how I think …‘Something in your right hand, is that the main lead’s head?’My brother won the war.***“What’s with the suitcase?”“Yes?”At the tip of Dietrich’s long finger, there was a package that I had wrapped up as soon as he left for the battlefield.“I asked what it is.”“It’s, It’s a travel bag, brother.”“Travel? Alone?”Dietrich’s dark eyes glistened. The man who had just returned from victory had a strange smell of blood from murder.“Will you leave me?