So you transmigrated into a novel your little sister wrote that you thought was shitty. The male lead was originally your brother in that world, the former emperor’s hidden son who would grow to be a tyrant killed by the great duke Ares. Your presence change the story, you’re a sarcastic big sister with hawk-eye like vision. You are like a blacksmith who took care of your sick mom and little bro until your mom died and you had to send that letter... you lil sis in your past life wrote the story so you already knew what the letter was about... you tried to not go to the royal palace but you brother made a big crying scene he just wanted you to kneel before him, you didn’t because you have a super strong personality. You became a princess, there’s another princess who is a fake scheming butch the original male lead. You wanted to sleep with and marry a man name Lancelot but accidentally slept with the new male lead Ares whose known to be skilled in bed...
Living as the Tyrant's Older Sister