The Villain Grand Duke’s Precious Little Sister

I was reincarnated as the younger sister of a ruthless villain in a novel full of war.

Anyway, the man playing my 'older brother' was a villain who would be defeated in war and then executed by the righteous male lead.

So all I had to do was quietly act like his little sister until he disappeared.

Or so I thought...

'Wait, the thing in your hand right now isn’t the male lead’s head, is it?'

My brother ended up winning the war.

***

"What is that luggage?"

"Huh?"

At the tip of Dietrich’s long finger was the bundle I had carefully packed as soon as he left for the battlefield.

"I asked what that is."

"It’s, it’s a travel bag, big brother."

"Travel? Alone?"

Dietrich’s black eyes flash menacingly. Fresh blood and the smell of killing clung to him as he returned from victory.

"Leaving me behind?"